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An illustration of the Noctiluca scintillans. Noctiluca scintillans, also published as Noctiluca miliaris, is a free-living non-parasitic marine-dwelling species of dinoflagellate that exhibits bioluminescence. The bioluminescent characteristic of N. scintillans is produced by a luciferin-luciferase system located in thousands of spherically shaped organelles, or "microsources", located throughout the cytoplasm of this single-celled protist. Nonluminescent populations within the genus Noctiluca lack these microsources.

Noctiluca Scintillans

An illustration of the Noctiluca scintillans. Noctiluca scintillans, also published as Noctiluca miliaris,…

An illustration of the lateral view of the Noctiluca scintillans. Noctiluca scintillans, also published as Noctiluca miliaris, is a free-living non-parasitic marine-dwelling species of dinoflagellate that exhibits bioluminescence. The bioluminescent characteristic of N. scintillans is produced by a luciferin-luciferase system located in thousands of spherically shaped organelles, or "microsources", located throughout the cytoplasm of this single-celled protist. Nonluminescent populations within the genus Noctiluca lack these microsources.

Lateral View of Noctiluca Scintillans

An illustration of the lateral view of the Noctiluca scintillans. Noctiluca scintillans, also published…

A cream separator is device invented by Martin Wiberg to separate cream from milk (see also Gustaf de Laval). Before milk-cream separators, cream was separated from milk by letting milk sit until the cream floated to the top and could then be skimmed off by hand. The separator was first made by Gustaf de Laval in 1877. With it, it was possible to separate the cream from the milk. When it spins, the milk, which is heaviest, is pushed outward against the walls and the cream, which is lighter, is collected in the middle.

Power Cream Separator

A cream separator is device invented by Martin Wiberg to separate cream from milk (see also Gustaf de…

An illustration of a female nautilus without the shell. "m, The dorsal "hood" formed by the enlargement of the outer or annular lobe of the forefoot, and corresponding to the sheaths of two tentacles; n. Tentacular sheaths of lateral portion of the annular lobe; u, The left eye; b, The nuchal plate, continuous at its right and left posterior angles with the root of the mid-foot, and corresponding to the nuchal cartilage of Sepia; c, Visceral hump; d, The free margin of the mantle-skirt,...; g.a, Points to the lateral continuation of the nuchal plate b to join the root of the mid foot of siphon." (Britannica, 1910).

Female Nautilus without Shell

An illustration of a female nautilus without the shell. "m, The dorsal "hood" formed by the enlargement…

Edwardsia beautempsi is a species of sea anemone that lives freely in tubes in the sand, unattached.

Sea Anemone

Edwardsia beautempsi is a species of sea anemone that lives freely in tubes in the sand, unattached.

"Suppose we have a pipe A B laid in a horizontal position so that the centre line is exactly at the same level all along the pope, and differences of level may be neglected. Let water be delivered b this pipe at a steady from a reservoir provided with a constant supply which keeps the free surface level always the same. If the pipe A B is of uniform sectional area throughout, and is at all points offers a uniform frictional resistance to the flow of the water, the pressure will gradually become less at points along it more and more distanct from the reservoir. This is no lonfer the case when the pipe is larger at one place than another, as shown in the [figure]." (Britannica, 1891)

Water Flow in Pipes

"Suppose we have a pipe A B laid in a horizontal position so that the centre line is exactly at the…

"An instrument for observing or detecting the existence of free electricity, and, in general, for determining its kind. ... The simplest electroscope consists of pith-balls suspended by silk threads." -Whitney, 1911

Pith-Ball Electroscope

"An instrument for observing or detecting the existence of free electricity, and, in general, for determining…

"An instrument for observing or detecting the existence of free electricity, and, in general, for determining its kind. ... Quadrant electroscope, a form of pith-ball electroscope which serves to measure roughly the degree of electrification by the rise of the pith-ball as indicated by the motion of the rod carrying it on a graduated semicircle." -Whitney, 1911

Quadrant Electroscope

"An instrument for observing or detecting the existence of free electricity, and, in general, for determining…

"An instrument for observing or detecting the existence of free electricity, and, in general, for determining its kind. ... In Volta's condensing electroscope, in place of the gilt knob there is a flat metal plate upon which rests another similar plate, which may be removed by an insulating handle." -Whitney, 1911

Condensing Electroscope

"An instrument for observing or detecting the existence of free electricity, and, in general, for determining…

The Egyptian Free-Tailed Bat (Tadarida aegyptiaca) is a species of bat in the Molossidae family of free-tailed bats.

Egyptian Free-Tailed Bat

The Egyptian Free-Tailed Bat (Tadarida aegyptiaca) is a species of bat in the Molossidae family of free-tailed…

Diagrammatic cross-section of a cut off basin, and the deposits formed in it after complete evaporation.

Cut-off Basin

Diagrammatic cross-section of a cut off basin, and the deposits formed in it after complete evaporation.

Colonial, plant-like animals closely related to jellyfish, with stinging cells, Any member of the invertebrate order Hydroida (class Hydrozoa, phylum Cnidaria). Hydroids have three basic life-cycle stages: (1) a tiny free-swimming planula larva about 1 mm (0.04 inch) long, which settles and grows into (2) a sessile (attached), usually colonial hydroid stage, which in turn liberates (3) medusa.

Medusa of a Hydroid

Colonial, plant-like animals closely related to jellyfish, with stinging cells, Any member of the invertebrate…

"A pelagic family of radioflagellate infusorians, typified by the genus Euchitonia. The animalcules are free-floating." -Whitney, 1911

Euchitonia

"A pelagic family of radioflagellate infusorians, typified by the genus Euchitonia. The animalcules…

"A pipe of this nature fitted with a piece of glass so as to exhibit the reed (which is a "free reed") is shown in [the illustration]. Q is the wind-chest of the bellows, into which P is fitted. In the right-hand figure the upper part of the pope is removed, so as to show the reed more clearly. A plate of metal c c, has a slit but in it, in which the tongue I may just past. By means of a curved wire, r, projecting above the top of the pipe, and the play of the tongue may be controlled and the pipe tuned. The conical pipe, H, placed at the top, serves to increase the power of the sound". -Benson, 1891

Reed

"A pipe of this nature fitted with a piece of glass so as to exhibit the reed (which is a "free reed")…

Euchone elegans is a species of marine worms in the family, Terebellidae, sometimes known as spaghetti worms.

Euchone

Euchone elegans is a species of marine worms in the family, Terebellidae, sometimes known as spaghetti…

East-west section across South Dakota to show the Dakota artesian system. The Dakota sandstone is composed for the most part of well-rounded and well-assorted quartz grains, representing an ancient river and wind-formed sand deposit.

Dakota Artesian System

East-west section across South Dakota to show the Dakota artesian system. The Dakota sandstone is composed…

Diagram showing the progressive overlapping of the successive divisions of an alluvial fan, away from the source of supply.

Alluvial Fan

Diagram showing the progressive overlapping of the successive divisions of an alluvial fan, away from…

Block diagram showing the flood-plain of a river, with ox-bows and marginal streams and in section, the flood-plain deposits and natural levees.

Flood Plain of a River

Block diagram showing the flood-plain of a river, with ox-bows and marginal streams and in section,…

Diagrams to illustrate the mode of formation of kettle holes in glacial deposits.

Formation of Kettle Holes

Diagrams to illustrate the mode of formation of kettle holes in glacial deposits.

Diagrams showing the origins of eskers. A) A tunnel under the ice, nearly filled with sand and gravel by the subglacial stream which built up its bed to the level of the outlet. B) The same deposit after the ice melting of the supporting ice walls. Slumping has produced the characteristic steep side slopes.

Origin of Eskers

Diagrams showing the origins of eskers. A) A tunnel under the ice, nearly filled with sand and gravel…

Natural and columnar sections at each end and in the center of a line 100 miles long and extending at right angles to the original shore line.

Clastic Deposits in the Sea

Natural and columnar sections at each end and in the center of a line 100 miles long and extending at…

Section to illustrate the relationships of strata formed by a compound, transgressing, retreatal and transgressive movement of the sea with the resulting overlapping, offlapping and overlapping series separated by a compound sandstone of emergence and submergence.

Offlaps Followed by Overlap

Section to illustrate the relationships of strata formed by a compound, transgressing, retreatal and…

Natural and columnar section to illustrate compound offlapping and overlapping series.

Compound Offlapping and Overlapping Series

Natural and columnar section to illustrate compound offlapping and overlapping series.

Diagrammatic section to illustrate replacing overlap of shore or continental sands on the right and marine shales, sandstones and calcareous beds on the left.

Replacing Overlap

Diagrammatic section to illustrate replacing overlap of shore or continental sands on the right and…

Diagrammatic section to illustrate the overlap of continental beds over a retreatal marine series.

Overlap of Continental Beds

Diagrammatic section to illustrate the overlap of continental beds over a retreatal marine series.

East-west section across the state of New York, showing the various types of overlap characteristic of the formations. The depression in Utica is due to erosion.

Various Types of Overlap Across New York State

East-west section across the state of New York, showing the various types of overlap characteristic…

Restored section from the Appalachians to the Cincinnati region, to show the overlaps of continental and marine strata.

Overlap from the Appalachians to Cincinnati

Restored section from the Appalachians to the Cincinnati region, to show the overlaps of continental…

"Gall, or Oak-apple, produced by Cynips quercus-inanis, showing the internal cobwebby structure. Gall: a vegetable excrescence produced by the deposit of the egg of an insect in the bark or leaves of a plant, ordinarily to to the action of some virus deposited by the female along with the egg, but often to the irritation of the larva." -Whitney, 1911

Oak Apple Gall

"Gall, or Oak-apple, produced by Cynips quercus-inanis, showing the internal cobwebby structure. Gall:…

"In printing, an oblong shallow tray of brass or wood, rarely of zinc, on which the compositor deposits his type." -Whitney, 1911

Printers' Galley

"In printing, an oblong shallow tray of brass or wood, rarely of zinc, on which the compositor deposits…

An illustration of a prisoner drilling a hole in the wall of his prison cell.

Prisoner Drilling Hole

An illustration of a prisoner drilling a hole in the wall of his prison cell.

Strasburg, originally known as Strateburguen in the sixth century, on the first partition of the Frankish territory this ancient city was included in the kingdom of Austria; on the second partition in Lorraine, In the tenth century it belonged to the German emperors, and subsequently became a free city of the empire, until 1681, when it was finally annexed to France.

Ancient Houses in Strasburg

Strasburg, originally known as Strateburguen in the sixth century, on the first partition of the Frankish…

The Wiener Prater is a large public park in Vienna's 2nd district Leopoldstadt. Prater is derived from the Latin word pratum meaning meadow, possibly via Spanish prado. In 1162, the Emperor Friedrich I gave the land to a noble family called de Prato. The land changed hands frequently until it was bought by Emperor Maximilian II in 1560 to be a hunting ground. To deal with the problem of poachers, Emperor Rudolf II forbade entry to the Prater. On April 7 1766, Emperor Joseph II declared the Prater to be free for public enjoyment, and allowed the establishment of coffee-houses and cafés, which led to the beginnings of the Wurstelprater.

The Prater

The Wiener Prater is a large public park in Vienna's 2nd district Leopoldstadt. Prater is derived from…

"And, behold, the angel of the Lord came upon him, and a light shined in the prison: and he smote Peter on the side, and raised him up, saying, Arise up quickly. And his chains fell off from his hands." Acts 12:7

Peter Delivered from Prison by an Angel

"And, behold, the angel of the Lord came upon him, and a light shined in the prison: and he smote Peter…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Back Vowels have the palm in the posterior position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. High Vowels have the third finger accented

Normal Aperture Back Primary High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Back Vowels have the palm in the posterior position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. Mid Vowels have the center finger accented.

Normal Aperture Back Primary Mid Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Back Vowels have the palm in the posterior position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. Low Vowels have the first or index finger accented.

Normal Aperture Back Primary Low Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Back Vowels have the palm in the posterior position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." High Vowels have the third finger accented

Normal Aperture Back Wide High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Back Vowels have the palm in the posterior position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Mid Vowels have the center finger accented.

Normal Aperture Back Wide Mid Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Back Vowels have the palm in the posterior position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Low Vowels have the first or index finger accented.

Normal Aperture Back Wide Low Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Mixed Vowels have the palm thrown forward so as to assume a compromising position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. High Vowels have the third finger accented

Normal Aperture Mixed Primary High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Mixed Vowels have the palm thrown forward so as to assume a compromising position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Mid Vowels have the center finger accented.

Normal Aperture Mixed Primary Mid Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Mixed Vowels have the palm thrown forward so as to assume a compromising position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." High Vowels have the third finger accented

Normal Aperture Mixed Wide High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Mixed Vowels have the palm thrown forward so as to assume a compromising position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Mid Vowels have the center finger accented.

Normal Aperture Mixed Wide Mid Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Mixed Vowels have the palm thrown forward so as to assume a compromising position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Low Vowels have the first or index finger accented.

Normal Aperture Mixed Wide Low Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Front Vowels have the palm in the anterior position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. High Vowels have the third finger accented

Normal Aperture Front Primary High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Front Vowels have the palm in the anterior position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. Mid Vowels have the center finger accented.

Normal Aperture Front Primary Mid Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Front Vowels have the palm in the anterior position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. Low Vowels have the first or index finger accented.

Normal Aperture Front Primary Low Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Front Vowels have the palm in the anterior position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." High Vowels have the third finger accented

Normal Aperture Front Wide High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Front Vowels have the palm in the anterior position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Mid Vowels have the center finger accented.

Normal Aperture Front Primary Wide Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Front Vowels have the palm in the anterior position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Low Vowels have the first or index finger accented.

Normal Aperture Front Wide Low Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Round Vowels differ visibly from normal aperture Vowels by having a contraction of the Lip aperture. This is shown by bringing the terminal phalanges of the thumb and the accented finger together so as to form an outline which is approximately round. Back Vowels have the palm in the posterior position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. High Vowels have the third finger accented

Round Back Primary High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Round Vowels differ visibly from normal aperture Vowels by having a contraction of the Lip aperture. This is shown by bringing the terminal phalanges of the thumb and the accented finger together so as to form an outline which is approximately round. Back Vowels have the palm in the posterior position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. Mid Vowels have the center finger accented.

Round Back Primary Mid Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Round Vowels differ visibly from normal aperture Vowels by having a contraction of the Lip aperture. This is shown by bringing the terminal phalanges of the thumb and the accented finger together so as to form an outline which is approximately round. Back Vowels have the palm in the posterior position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. Low Vowels have the first or index finger accented.

Round Back Primary Low Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Round Vowels differ visibly from normal aperture Vowels by having a contraction of the Lip aperture. This is shown by bringing the terminal phalanges of the thumb and the accented finger together so as to form an outline which is approximately round. Back Vowels have the palm in the posterior position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." High Vowels have the third finger accented

Round Back Wide High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Round Vowels differ visibly from normal aperture Vowels by having a contraction of the Lip aperture. This is shown by bringing the terminal phalanges of the thumb and the accented finger together so as to form an outline which is approximately round. Back Vowels have the palm in the posterior position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Mid Vowels have the center finger accented.

Round Back Wide Mid Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Round Vowels differ visibly from normal aperture Vowels by having a contraction of the Lip aperture. This is shown by bringing the terminal phalanges of the thumb and the accented finger together so as to form an outline which is approximately round. Back Vowels have the palm in the posterior position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Low Vowels have the first or index finger accented.

Round Back Wide Low Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Round Vowels differ visibly from normal aperture Vowels by having a contraction of the Lip aperture. This is shown by bringing the terminal phalanges of the thumb and the accented finger together so as to form an outline which is approximately round. Mixed Vowels have the palm thrown forward so as to assume a compromising position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. High Vowels have the third finger accented

Round Mixed Primary High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Round Vowels differ visibly from normal aperture Vowels by having a contraction of the Lip aperture. This is shown by bringing the terminal phalanges of the thumb and the accented finger together so as to form an outline which is approximately round. Mixed Vowels have the palm thrown forward so as to assume a compromising position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. Mid Vowels have the center finger accented.

Round Mixed Primary Mid Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Mixed Vowels have the palm thrown forward so as to assume a compromising position. In Primary Vowel positions the accented voice phalanx of the thumb and the terminal phalanx of the accented finger overlap. None of the unaccented fingers are straightened. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." Low Vowels have the first or index finger accented.

Round Mixed Primary Low Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation. &hellip; in representing vowels the hand suggests a wide and firm channel, by having the accented finger bent and its terminal phalanx brought firmly in contact with the terminal phalanx of the thumb. <p> Vowel positions are distinguished by always having the voice phalanx of the thumb accented and in contact with the terminal phalanx of the accented finger. This kind of accent is the strongest which can be given a finger, and so always takes precedence. Two modes of accentuation may not co-exist. Round Vowels differ visibly from normal aperture Vowels by having a contraction of the Lip aperture. This is shown by bringing the terminal phalanges of the thumb and the accented finger together so as to form an outline which is approximately round. Mixed Vowels have the palm thrown forward so as to assume a compromising position. Wide Vowel positions differ from analogous Primary Vowel positions by having straightened unaccented fingers, to denote "Wide." High Vowels have the third finger accented

Round Mixed Wide High Vowel

Vowels have a wide, firm, and free channel, whereby the breath is modified without friction or sibilation.…