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Principal forms of the triclinic system: tryclinic pyramid

Triclinic Pyramid

Principal forms of the triclinic system: tryclinic pyramid

Principal forms of the triclinic system: hemi-brachy dome.

Hemi-brachy Dome

Principal forms of the triclinic system: hemi-brachy dome.

Principal forms of the triclinic system: hemi-macro dome.

Hemi-macro Dome

Principal forms of the triclinic system: hemi-macro dome.

Principal forms of the triclinic system: triclinic hemi-prism

Triclinic Hemi-prism

Principal forms of the triclinic system: triclinic hemi-prism

Principal forms of the triclinic system: macro-pinacoids

Macro-pinacoids

Principal forms of the triclinic system: macro-pinacoids

"Transverse Section through Side Walls of Skull, showing the Inner Parts of the Ear. Co, concha or external ear, or pinna; EM, external auditory meatus; TyM, tympanic membrane; Inc, incus; Mall, malleus; ASC, PSC, ESC, anterior, posterior, and external semicircular canals; Coc, cochlea; Eu, Eustachian tube; IM, internal auditory meatus, through which the auditory nerve passes to the organ of hearing." -Whitney, 1911

Inner Ear

"Transverse Section through Side Walls of Skull, showing the Inner Parts of the Ear. Co, concha or external…

"External Ear, or Pinna. 1, helix; 2, fossa of antihelix, or fossa triangularis; 3, fossa of helix, or fossa scaphoidea; 4, antihelix; 5, 5, concha; 6, antitragus; 7, lobule; 8, tragus." -Whitney, 1911

External Ear

"External Ear, or Pinna. 1, helix; 2, fossa of antihelix, or fossa triangularis; 3, fossa of helix,…

"Dome-System of the Church of Sta. Sophia at Constantinople. The Byzantine style of this first period reached its highest example and splendor in the church of Sta. Sophia at Constantinople. After this church, which was originally built by Constantine, had been burnt to the ground, it was rebuilt, with the utmost care, and at great expense, by Justinian. On each of he open sides of the dome-covered square there abuts a semicircle with semi-domes of somewhat inferior height to the main dome." This diagram shows how the semi-domes are penetrated on each side by three smaller vaults.

Dome System of Hagia Sophia

"Dome-System of the Church of Sta. Sophia at Constantinople. The Byzantine style of this first period…

An illustration of Bussen's cell.The Grove cell was an early electric primary cell named after its inventor, British chemist William Robert Grove, and consisted of a zinc anode in concentrated sulfuric acid and a platinum cathode in concentrated nitric acid, the two separated by a porous ceramic pot. The Grove cell was the favored power source of the early American telegraph system in the period 1840 - 1860 because it offered a high current output and higher voltage than the earlier Daniell cell (at 1.9 volts and 1.1 volts, respectively).

Grove Cell

An illustration of Bussen's cell.The Grove cell was an early electric primary cell named after its inventor,…

A vacuum gauge is used to measure the pressure in a vacuum — which is further divided into two subcategories: high and low vacuum (and sometimes ultra-high vacuum). The applicable pressure range of many of the techniques used to measure vacuums have an overlap. Hence, by combining several different types of gauge, it is possible to measure system pressure continuously from 10 mbar down to 10-11 mbar.

Vacuum Gauge

A vacuum gauge is used to measure the pressure in a vacuum — which is further divided into two…

A pulley (also called a block) is a mechanism composed of a wheel (called a sheave) with a groove between two flanges around the wheel's circumference. A rope, cable or belt usually runs inside the groove. Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.

Pulley

A pulley (also called a block) is a mechanism composed of a wheel (called a sheave) with a groove between…

An illustration of a block pulley. A pulley (also called a block) is a mechanism composed of a wheel (called a sheave) with a groove between two flanges around the wheel's circumference. A rope, cable or belt usually runs inside the groove. Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.

Pulley Blocks

An illustration of a block pulley. A pulley (also called a block) is a mechanism composed of a wheel…

An illustration of a block pulley. A pulley (also called a block) is a mechanism composed of a wheel (called a sheave) with a groove between two flanges around the wheel's circumference. A rope, cable or belt usually runs inside the groove. Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.

Pulley Blocks

An illustration of a block pulley. A pulley (also called a block) is a mechanism composed of a wheel…

An illustration of a block pulley. A pulley (also called a block) is a mechanism composed of a wheel (called a sheave) with a groove between two flanges around the wheel's circumference. A rope, cable or belt usually runs inside the groove. Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.

Pulley Blocks

An illustration of a block pulley. A pulley (also called a block) is a mechanism composed of a wheel…

A pulley (also called a block) is a mechanism composed of a wheel (called a sheave) with a groove between two flanges around the wheel's circumference. A rope, cable or belt usually runs inside the groove. Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.

Pulley

A pulley (also called a block) is a mechanism composed of a wheel (called a sheave) with a groove between…

"Esophageal Ring. Anterior end of nervous system of Polynoë, a polychaetous annelid, showing, a, cerebral ganglia, connected by the esophageal ring, b, with the ventral series of ganglia, c." -Whitney, 1911

Scale Worm Nervous System

"Esophageal Ring. Anterior end of nervous system of Polynoë, a polychaetous annelid, showing, a,…

Sir Thomas More (7 February 1478 – 6 July 1535) was an English lawyer, author, and statesman who in his lifetime gained a reputation as a leading humanist scholar, and occupied many public offices, including Lord Chancellor (1529–1532), in which he had a number of people burned at the stake for heresy. More coined the word "utopia", a name he gave to an ideal, imaginary island nation whose political system he described in the eponymous book published in 1516. He was beheaded in 1535 when he refused to sign the Act of Supremacy that declared Henry VIII Supreme Head of the Church in England.

Sir Thomas More

Sir Thomas More (7 February 1478 – 6 July 1535) was an English lawyer, author, and statesman who…

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system. Neither axis is labeled.

Blank Coordinate Grid With Grid Lines Shown

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system. Neither…

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system with both axes labeled.

Coordinate Grid With Axes Labeled And Grid Lines Shown

Illustration of an xy grid/graph with grid lines shown. It is the Cartesian coordinate system with both…

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…

"Human Eye, in Median Vertical Anteroposterior Section. (Ciliary processes shown, through not all lying in this section.) A, anterior, and A', posterior chambers of aqueous humor; a, central artery of retina; C, cornea; Ch, choroid; cj, conjunctiva; cm, ciliary muscle; cp, ciliary processs; H, hyaloid; I, iris; L, crystalline lens in its capsule (the reference-line passes through the pupil); l, l', insertion of tendon of superior and inferior rectus muscles; o, optic nerve; P, canal of Petit; R, retina; S, sclerotic; s, s', circular sinus or canal of Schlemm; V, vitreous body filling back part of the eye." -Whitney, 1911

Median Vertical Anteroposterior Section of Eye

"Human Eye, in Median Vertical Anteroposterior Section. (Ciliary processes shown, through not all lying…

"Exterior of Left Human Eye. 1, supercilium, or eyebrow; 2, palpebra superior, or upper eyelid; 3, 3, cilia, or eyelashes; 4, caruncula lacrymalis; 5, plica semilunaris; 6, pupil; 7, iris." -Whitney, 1911

Exterior of Left Human Eye

"Exterior of Left Human Eye. 1, supercilium, or eyebrow; 2, palpebra superior, or upper eyelid; 3, 3,…

"Muscles of Left Human Eyeball. so, superior oblique, passing through a trochlea or pulley; io, inferior oblique; sr, superior rectus; ifr, interior rectus; ir, internal rectus; er, external rectus; f, frontal sinus; m, maxillary sinus; o, optic nerve." -Whitney, 1911

Muscles of Left Eyeball

"Muscles of Left Human Eyeball. so, superior oblique, passing through a trochlea or pulley; io, inferior…

A political cartoon depicting the separation of Prince Charles and Flora MacDonald.

Prince Charles and Flora MacDonald

A political cartoon depicting the separation of Prince Charles and Flora MacDonald.

"Bones of Human Foot, or Pes, the third principal segment of the hind limb, consisting of tarsus, metatarsus, and phalanges. a, astralagus; ca, calcaneum; n, navicular, or scaphoid; co, cuboid; c1, c2, c3, entocuneiform, mesocuneiform, and ectocuneiform, or inner, middle, and outer cuneiform bones. The foregoing seven bones constitute the tarsus, and m1 to m5, first to the fifth metatarsal, constitue the metatarsus. The remaining fourteen bones are the phalanges, three to each digit excepting the great toe; h, distal phalanx of the hallux or great toe." -Whitney, 1911

Bones of Human Foot

"Bones of Human Foot, or Pes, the third principal segment of the hind limb, consisting of tarsus, metatarsus,…

Diagrams showing the development of river systems in anticlinal folds with anticlinal valleys as the end product. As a result of this erosion the streams flowing in the synclinal valleys are diverted by capture and the main streams become anticlinal.

Development of River Systems

Diagrams showing the development of river systems in anticlinal folds with anticlinal valleys as the…

"A French silver coin and money of account which since 1795 has formed the unit of French monetary system." -Whitney, 1911

Obverse Side of Silver Franc of Henry III

"A French silver coin and money of account which since 1795 has formed the unit of French monetary system."…

"A French silver coin and money of account which since 1795 has formed the unit of French monetary system." -Whitney, 1911

Reverse Side of Silver Franc of Henry III

"A French silver coin and money of account which since 1795 has formed the unit of French monetary system."…

An illustration of Napoleon; Napoleon Bonaparte, later known as Emperor Napoleon I, was a military and political leader of France whose actions shaped European politics in the early 19th century.

Napoleon

An illustration of Napoleon; Napoleon Bonaparte, later known as Emperor Napoleon I, was a military and…

An illustration of a human eye.

Human Eye

An illustration of a human eye.

A cartoon depicting a woman and an oil container.

Woman & Oil

A cartoon depicting a woman and an oil container.

Benjamin Franklin (January 17, 1706 – April 17, 1790) was one of the Founding Fathers of the United States of America. A noted polymath, Franklin was a leading author and printer, satirist, political theorist, politician, scientist, inventor, civic activist, statesman, and diplomat. As a scientist, he was a major figure in the Enlightenment and the history of physics for his discoveries and theories regarding electricity. He invented the lightning rod, bifocals, the Franklin stove, a carriage odometer, and the glass harmonica. He formed both the first public lending library in America and first fire department in Pennsylvania.

Benjamin Franklin

Benjamin Franklin (January 17, 1706 – April 17, 1790) was one of the Founding Fathers of the United…

Edmund Burke (12 January 1729 – 9 July 1797) was an Irish statesman, author, orator, political theorist, and philosopher who, after relocating to Great Britain, served for many years in the British House of Commons as a member of the Whig party. He is mainly remembered for his opposition to the French Revolution. It led to him becoming the leading figure within the conservative faction of the Whig party, which he dubbed the "Old Whigs", in opposition to the pro-French-Revolution "New Whigs" led by Charles James Fox. He is generally viewed as the philosophical founder of modern conservatism.

Edmund Burke

Edmund Burke (12 January 1729 – 9 July 1797) was an Irish statesman, author, orator, political…

Samuel Adams (September 27, 1722 – October 2, 1803) was a statesman, political philosopher, and one of the Founding Fathers of the United States. As a politician in colonial Massachusetts, Adams was a leader of the movement that became the American Revolution, and was one of the architects of the principles of American republicanism that shaped the political culture of the United States.

Samuel Adams

Samuel Adams (September 27, 1722 – October 2, 1803) was a statesman, political philosopher, and one…

"Archaeornithes is at present represented by but one member, the first undoubted fossil Bird, made known in 1861 by Andreas Wagner form the Jurassic slate formation of Solenhofen in Bavaria, and now preserved in a British Museum. This he described under the name of Griphosaurus; but as Hermann von Meyer had already bestowed the title of Archaeopteryx Lithographica upon a bird, presumably identical, a feather of which had been obtained from the above system." A. H. Evans, 1900 This sample was obtained from the Limestone in Berlin

Archaeopteryx Lithographica

"Archaeornithes is at present represented by but one member, the first undoubted fossil Bird, made known…

A political cartoon of the Southern states being built from the ruins after the Civil War.

Southern Republic Built from the Ruins

A political cartoon of the Southern states being built from the ruins after the Civil War.

Benjamin Franklin Butler (1818 - 1893) was a lawyer and politician who was a U. S. Representative for the state of Massachusetts and governor of Massachusetts. During the Civil War, he was ranked one of the most controversial political generals because of occupied New Orleans, his policies regarding slaves as contraband, the Bermuda Hundred Campaign, and Fort Fisher. He was also known as "Beast Butler" by the Southern whites.

Benjamin Franklin Butler

Benjamin Franklin Butler (1818 - 1893) was a lawyer and politician who was a U. S. Representative for…

Caricature of Thomas Nast's first interview with Frank Leslie. Frank Leslie was a great publisher, in charge of the Weekly.

Frank Leslie Interview with Nast

Caricature of Thomas Nast's first interview with Frank Leslie. Frank Leslie was a great publisher, in…

Thomas Nast drawing caricatures.

Thomas Nast Drawing Caricatures

Thomas Nast drawing caricatures.

Thomas Nast writing with a feather pen and ink.

Thomas Nast Writing with a Feather Pen

Thomas Nast writing with a feather pen and ink.

View of the farm-house of Jacob Pocock, near Bath, England, the second training place of the "Bencia Boy," which he was again obliged to leave on account of a complaint being lodged against him before the magistrates.

Jacob Pocock Farm-house

View of the farm-house of Jacob Pocock, near Bath, England, the second training place of the "Bencia…

View of the farm-house of Jacob Pocock, near Bath, England, the second training place of the "Bencia Boy," which he was again obliged to leave on account of a complaint being lodged against him before the magistrates.

Jacob Pocock Farm-house

View of the farm-house of Jacob Pocock, near Bath, England, the second training place of the "Bencia…

The championship fight between Heenan and Thomas Sayers, on April 17, 1860.

Heenan and Thomas Championship Fight

The championship fight between Heenan and Thomas Sayers, on April 17, 1860.

The triumphal entry of Garibaldi into Naples. Garibaldi was an Italian military and political figure who assisted in the independence of Uruguay before returning to Naples.

Giuseppe Garibaldi's Triumphal Entry Into Naples

The triumphal entry of Garibaldi into Naples. Garibaldi was an Italian military and political figure…

Farewell visit of Garibaldi to Admiral Mundy on board the "Hannibal" at Naples.

Giuseppe Garibaldi's Farewell Visit to Admiral Mundy

Farewell visit of Garibaldi to Admiral Mundy on board the "Hannibal" at Naples.

In January of 1863, Harper's Weekly published Nast's first caricature cartoon - a boy frightening John Bull with the cry of "Here Comes General Butler!" - the latter having been denounced as "a brute" by the London Times. The picture was good enough but it gave no promise of the power and style which would make his individual caricature famous.

Nast's First Caricature - John Bull

In January of 1863, Harper's Weekly published Nast's first caricature cartoon - a boy frightening John…

Title page made for Mrs. Grundy on Saturday July 8th, 1865. Mrs. Grundy was a short-lived periodical published after the Civil War.

Mrs. Grundy Page Title

Title page made for Mrs. Grundy on Saturday July 8th, 1865. Mrs. Grundy was a short-lived periodical…

A caricature of the cartoonist and the King.

Cartoonist and King

A caricature of the cartoonist and the King.

The President's joy at the result of the impeachment trial of 1868.

Impeachment of President Andy Johnson

The President's joy at the result of the impeachment trial of 1868.

Nast's political cartoon entitled, "A wild-goose Chase" of Chief-Justice Chase trying to capture the Democratic Convention of 1868.

Chief-Justice Salmon P. Chase Capturing the Democratic Convention

Nast's political cartoon entitled, "A wild-goose Chase" of Chief-Justice Chase trying to capture the…

A political cartoon of Horatio Seymour, an American politician. Seymour was governor from New York from 1853-1854 and 1863-1864. The caricature depicts Seymour as the Democratic Party nominee for President of the United States for the election of 1868 and how it "plunged him into a sea of troubles." Seymour lost the election to Republican Ulysses S. Grant.

Democratic Nominee Governor Horatio Seymour

A political cartoon of Horatio Seymour, an American politician. Seymour was governor from New York from…

A ring cartoon of 1868 showing Mayor Hoffman on a screen to cover the city frauds, a respectable screen covers a multitude of thieves by the "ring" in New York. Mayor Hoffman was the mayor of New York from 1866 - 1868.

Mayor John Thompson Hoffman Covering Frauds

A ring cartoon of 1868 showing Mayor Hoffman on a screen to cover the city frauds, a respectable screen…

President Johnson's farewell, "farewell, a long farewell, to all my greatness!"

President "Andy" Johnson Completes his Term of Office

President Johnson's farewell, "farewell, a long farewell, to all my greatness!"

Sir Falstaff is a fictional character who appears in three different Shakespeare plays. This drawing shows Nast's mastery of the pencil.

Sir Jonathan Falstaff

Sir Falstaff is a fictional character who appears in three different Shakespeare plays. This drawing…

Sir Falstaff is a fictional character who appears in three different Shakespeare plays. This drawing shows Nast's mastery of the pencil.

Sir John Bull Falstaff

Sir Falstaff is a fictional character who appears in three different Shakespeare plays. This drawing…

"What a fall there was, my countrymen!" This picture from Nast depicts the wreck in Wall Street after Black Friday, September 24, 1869.

Black Friday in Wall Street

"What a fall there was, my countrymen!" This picture from Nast depicts the wreck in Wall Street after…

August Belmont: The Democratic Scapegoat for "Boss Tweed." The first cartoon in which the face of "Boss" Tweed appears.

August Belmont Democratic Scapegoat

August Belmont: The Democratic Scapegoat for "Boss Tweed." The first cartoon in which the face of "Boss"…

The Economical Council in Albany, NY showing New York corruption. This is the second Tweed cartoon. Hoffman sits on the dais, with Sweeny at his right hand. Hall, Connolly, and Tweed are prominent among the supporters, as are Jay Gould and Jim Frisk of the Erie contingent.

Economical Council and New York Corruption

The Economical Council in Albany, NY showing New York corruption. This is the second Tweed cartoon.…

Criticism for the "White-Washing Committee's report on the "ring's" accounts. The "White-Washing Committee" invited by The Ring controller to inspect his books. Nast entitled this drawing "Three Blind Mice."

White-Washing Committee's Reports

Criticism for the "White-Washing Committee's report on the "ring's" accounts. The "White-Washing Committee"…

Napoleon III and Otto von Bismarck during the Franco-Prussian War. Louis Napoleon as the friend of Death.

Napoleon III and Otto von Bismarck

Napoleon III and Otto von Bismarck during the Franco-Prussian War. Louis Napoleon as the friend of Death.