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A 'purse' seine is a form of fishing net that is paid out around a school of fish, like a cylinder with no top or bottom. When drawn in, the bottom closes, forming a bag from which the fish cannot escape. Figure 1 in this illustration shows the separate parts of the purse seine: A and J, arms of the net; B and I, wings; C, D, K, and L, border of stout twine; F, bailing piece (or bunt); E and G, sides; H, under. Figure 2 shows a diagram of the form a a purse seine spread in the water.

Purse-seine

A 'purse' seine is a form of fishing net that is paid out around a school of fish, like a cylinder with…

This illustration shows a cross-section of a modern flour mill. Wheat is received in bin a, and first passes to the separator b, where it falls over vibrating screens, c, c, and a current of air draws light rubbish through pipe e to fan d. Next, in scourer f, it passes through revolving beaters, and meets a current of air. In the brush g, revolving brushes further clean and polish the wheat, which then passes to the 'cylinder' h. This revolving cylinder has grooves which pick up any small seeds, carrying them around until near the top of its revolution they drop into trough k and discharge by l at n, while the wheat grains too large for the grooving to affect, fall into the trough m, and are carried by the elevator p to the 'first break rolls', o. Here the wheat is partly crushed by rolls q, q, and passed to the 'scalper' r. Here, revolving brushes and beaters force the small particles through the fixed cage to the shoot s, while the larger are delivered at the end of the cage and pass to the second pair of rolls, t, and the second scalper, u. The coarse particles from u, chiefly bran, pass through a third set of rolls, v, and then to the 'bran duster', w, a cylinder where revolving brushes clean all flour from the bran and force it through perforations towards shoot x, the bran being delivered at y. The flour is carried by elevator p' to the 'reel' z, a finely perforated cylinder which revolves rapidly, an the finer part passes by shoot s' to the 'centrifugal' u'; the coarser part delivered at the end of the cylinder, passes to the 'purifier' r', where a current of air removes light dust as it travels over a moving sieve, and thence to a set of rolls at t' for further reduction, after which it is delivered to the centrifugal u'. This is a revolving drum, covered with silk, through which the flour is thrown by centrifugal force, and is delivered finished at v', the offals passing out at the end of the drum to the shoot w'.

Modern Flour Mill

This illustration shows a cross-section of a modern flour mill. Wheat is received in bin a, and first…

This illustration shows a six cylinder motor and its many parts: Intake Manifold, Centrifugal Pump, Magneto, Carburetor, Spark Plug, Tractor Screw Shaft, Intake Valve, Exhaust, Exhaust Valve, Water Outlet.

Vertical Type Motor, Six Cylinder

This illustration shows a six cylinder motor and its many parts: Intake Manifold, Centrifugal Pump,…

This illustration shows an Anzani Radial Motor with stationary cylinders and its many parts: Exhaust Valve, Valve Tappet, Air-Cooled Cylinders, Magneto, Carburetor, Gasoline Supply Pipe, Induction Tube, Intake Valve.

Anzani Radial Motor, with Stationary Cylinders

This illustration shows an Anzani Radial Motor with stationary cylinders and its many parts: Exhaust…

This illustration shows a V type motor with eight cylinders, fans, and many other parts: Gasoline Supply Pipe, Carburetor, Water Supply Connection, Centrifugal Pump, Intake Manifold Connection, Water Jacket Connection, Cylinder, Valve Rocker Arm, Manifold, Radiator Connection, and Magneto.

V Type Motor, with Eight Cylinders

This illustration shows a V type motor with eight cylinders, fans, and many other parts: Gasoline Supply…

This illustration shows a Gnome motor with revolving cylinders and its many parts: Spark Plug; Conducting Wire from Collector Ring; Distributor Brush from Magneto; Electric Collector Ring; Fixed, Hollow Crankshaft; Connecting Rod; Piston; Revolving Crankcase; Tappet Cams (male and female); Exhaust Valve Tappet; Exhaust Valve; Intake Valve; Air-Cooled Cylinder. Gnome was the leading type of air cooled motor in the 1920s.

Gnome Motor, with Revolving Cylinders

This illustration shows a Gnome motor with revolving cylinders and its many parts: Spark Plug; Conducting…

A gabion is an open cylinder made of brushwood, canvas, wire-netting, or iron bands used in fortification. Filled with loose earth, gabions are placed on end, in tiers, to form a wall behind which earth can be piled. They are usually constructed on location and made up of whatever materials are on hand.

Gabion

A gabion is an open cylinder made of brushwood, canvas, wire-netting, or iron bands used in fortification.…

The Scarabaeus gem is a gem carved to look like a scarab beetle.

Scarabaeus (Top View)

The Scarabaeus gem is a gem carved to look like a scarab beetle.

The Scarabaeus gem is a gem carved to look like a scarab beetle.

Scarabaeus (Side View)

The Scarabaeus gem is a gem carved to look like a scarab beetle.

This illustration shows a perspective view and a vertical section of a syncline. It shows the spoon-shaped ridges of hard rock and the troughs formed by the beds.

Syncline

This illustration shows a perspective view and a vertical section of a syncline. It shows the spoon-shaped…

This illustration shows a perspective view and a vertical section of an anticline. It shows the half-cigar-shaped mountains of the hard rocks and the arches formed by the beds.

Anticline

This illustration shows a perspective view and a vertical section of an anticline. It shows the half-cigar-shaped…

In making sheet glass, a very large lump of molten glass is gathered on the rod as is shown at (a). This mass is rolled on an iron slab, expanded (b) by blowing down the pipe, and further manipulated by rolling on the slab, reheating at the mouth of the furnace, re-blowing, and allowing the soft mass to hang downward. if the glass is to be used for windows, the blower has a cave in the floor about 8 ft deep, and in this hole he works the glass until he has a cylinder (c), which he swings backward and forward, holding onto the pipe. The cylinder is then blown to a length from 4 to 8 ft, according to the size of the window desired. It becomes very thin and chills rapidly. The blower then takes a second lump of hot glass, pulls it out to a string, winds it around each end of the cylinder (d), and cracks both ends off. A piece of wet iron is next drawn along the cylinder in the direction of the its length, as indicated by the dotted lines in (d). A crack follows the wet iron, and the detached cylinder opens a little at the long crack (e). A slight reheating, and opening out in a flattening kiln, serves to convert the split cylinder into a sheet.

Glass Blowing and Stretching

In making sheet glass, a very large lump of molten glass is gathered on the rod as is shown at (a).…

A stamp mill facilitates the crushing of ore (in this case, gold ore) into very small grains, with many mechanical parts, including: the ore car, to carry ore from the mine to the Mill (a); the trestle, the tunnel from the mine to the mill that the ore car travels through (b); the grizzly (c); the crushing floor (d); the bin for crushed ore (e); the stamp, a vertical iron rod having a cast-iron or steel shoe, which, falling on the mortar block, crushes the ore (f); the mortar (g); and the apron plate (h).

Stamp Mill for Gold Ores (Sectional View)

A stamp mill facilitates the crushing of ore (in this case, gold ore) into very small grains, with many…

A Frue Vanner is a shaking, rubber belt used to concentrate gold ore 'pulp'.

Frue Vanner (Side View)

A Frue Vanner is a shaking, rubber belt used to concentrate gold ore 'pulp'.

A Frue Vanner is a shaking, rubber belt used to concentrate gold ore 'pulp'.

Frue Vanner (End View)

A Frue Vanner is a shaking, rubber belt used to concentrate gold ore 'pulp'.

After the softening process in the manufacturing of jute, the fibers are about six feet long, and are passed onto the breaker card, where they are reduced in length, finely divided, thoroughly mixed, cleared of impurities, and laid in parallel order. The chief features of the card are a cylinder about four feet in diameter covered with wooden staves filled with steel teeth, and around this cylinder a number of smaller cylinders, known as strippers and workers, also covered with steel teeth. The jute fibers are carried around the large cylinder, being finely divided by the workers and strippers in their course. A doffer roller then strips the elongated lap from the main cylinder and sends it down a broad channel, which compresses it to a strand or sliver about four inches wide. Twelve of these slivers are then fed into the finisher card, which is similar to the breaker, but has finer teeth, and are drawn out into a finer, smoother strand.

Carding Process in the Manufacuring of Jute

After the softening process in the manufacturing of jute, the fibers are about six feet long, and are…

This illustration shows an enlarged view of the mouth of a lamprey.

Mouth of Lamprey

This illustration shows an enlarged view of the mouth of a lamprey.

This illustration shows a human leg (front view), and comparative diagrams showing modifications of the leg: 1. Human, 2. Ox, 3. Horse, 4. Bird, 5. Frog, 6. Crocodile, 7. Seal, 8. Dog, 9. Bear P. Pelvis, FE. Femur, TI. Tibia, FI. Fibula, TA. Tarsus, MT. Metatarsus, PH. Phalanges, OC. Os Calcis.

Human Leg (Front View), and Comparative Diagrams showing Modifications of the Leg

This illustration shows a human leg (front view), and comparative diagrams showing modifications of…

This illustration shows a front view of a human leg. P. Pelvis, FE. Femur, TI. Tibia, FI. Fibula, TA. Tarsus, MT. Metatarsus, PH. Phalanges, OC. Os Calcis.

Human Leg (Front View)

This illustration shows a front view of a human leg. P. Pelvis, FE. Femur, TI. Tibia, FI. Fibula, TA.…

This illustration shows a side view of a human leg. P. Pelvis, FE. Femur, TI. Tibia, FI. Fibula, TA. Tarsus, MT. Metatarsus, PH. Phalanges, OC. Os Calcis.

Human Leg (Side View)

This illustration shows a side view of a human leg. P. Pelvis, FE. Femur, TI. Tibia, FI. Fibula, TA.…

The Cross of the Legion of Honor is a decoration composed of a star of five double rays, with a wreath of oak and laurel. On the obverse appears the female head personifying France, and the words, 'République Française'; on the reverse, two tricolors, and the motto, 'Honneur et Patrie'. The Legion of Honor is a French order of merit, created in 1802 by Napoleon, when first consul, with the view of specially marking exploits and services in the military and civil departments. Napoleon himself was first grandmaster.

Cross of the Legion of Honor

The Cross of the Legion of Honor is a decoration composed of a star of five double rays, with a wreath…

An Egyptian sandal, with a curved front.

Egyptian Sandal

An Egyptian sandal, with a curved front.

Front view of a switchboard panel for a single compound-wound direct-current generator.

Switchboard Panel

Front view of a switchboard panel for a single compound-wound direct-current generator.

Front view of the five-panel direct-current switchboard.

Direct Current Switchboard

Front view of the five-panel direct-current switchboard.

Perspective view of the typical 2400-volt, three-phase switchboard for power and lighting service in a small town.

Three-phase Switchboard

Perspective view of the typical 2400-volt, three-phase switchboard for power and lighting service in…

Rear elevation of the switchboard with the perspective and front views.

Rear Elevation of Switchboard

Rear elevation of the switchboard with the perspective and front views.

A plan of the desk's face and front elevation of the control desk instrument board.

Contol Desk

A plan of the desk's face and front elevation of the control desk instrument board.

Sectional elevation through the cylinder of a Skinner-poppet-valve uniflow engine.

Uniflow Engine

Sectional elevation through the cylinder of a Skinner-poppet-valve uniflow engine.

Section through a small, low pressure oil engine of the "hot-bulb" or "hot-ball" type.

Oil Engine

Section through a small, low pressure oil engine of the "hot-bulb" or "hot-ball" type.

Illustrating the principle of the reaction wheel. (Shows a cylinder-gate, horizontal-type turbine mounted in a steel flume.)

Reaction Wheel

Illustrating the principle of the reaction wheel. (Shows a cylinder-gate, horizontal-type turbine mounted…

Exterior view of building that was wired.

Exterior

Exterior view of building that was wired.

Sectional view of a bell.

Bell

Sectional view of a bell.

A Christmas rose (Helleborus niger). 1, stamen; 2, section.

Christmas Rose

A Christmas rose (Helleborus niger). 1, stamen; 2, section.

Bashforth Chronograph. A, flywheel turning cylinder B on which the record is marked; C, toothed wheel driving drum D, which unwinds the spring E and allows the platform F to slide down the groove G; H, H, electromagnets connected with the first and second screen respectively (shown in small upper diagram)

Bashforth Chronograph

Bashforth Chronograph. A, flywheel turning cylinder B on which the record is marked; C, toothed wheel…

A hand loom - front view.

Loom

A hand loom - front view.

Cow-wheat. 1, flower, side view; 2, flower posterior view.

Cow-wheat

Cow-wheat. 1, flower, side view; 2, flower posterior view.

Crag and tail, a term used to designate a peculiar hill conformation. a, crag; b, tail (boulder clay, drift, etc.); c, hollow in front of crag.

Crag and Tail

Crag and tail, a term used to designate a peculiar hill conformation. a, crag; b, tail (boulder clay,…

Sectional view of Kensico dam.

Kensico Dam

Sectional view of Kensico dam.

Rock fill and earth dam.

Sectional View of Dam

Rock fill and earth dam.

Illustration of Wesley Chapel on John Street in New York. It was dedicated on October 30, 1768. The chapel was named after John Wesley. It was torn down and replaced in 1818. It is a simple building with an arched main doorway and a small staircase leading to another set of double doors to the right. Several men and women are gathered in front of the building. There is a second building adjoining.

Wesley Chapel on John Street

Illustration of Wesley Chapel on John Street in New York. It was dedicated on October 30, 1768. The…

An acanthus plant in front of a pedestal. Acanthus is a very common decorative plant.

Acanthus

An acanthus plant in front of a pedestal. Acanthus is a very common decorative plant.

Flower anatomy. A, sectional view of a flower showing the vertical disposition of whorls. a, sepal of calyx; b, petal of corolla; c, filament of stamen; d, anther of stamen; e, ovary of pistil; f, style of pistil; g, stigma of pistil. B, Plan of the typical flower of an exogenous plant showing the horizontal disposition of its parts. a, sepal; b, petal; c, c, stamens in two different whorls; d, carpel or ovary, inclosing an ovule, attached by its funiculs. C, Various parts of a clove. a, flower of the clove or pink; b, vertical and middle sections of flowers; c, flower showing its male and female portions - six stamen, four large, two small; d, one of the petals; e horizontal section of the ovary showing the insertion of the ovules; f, fruit at the moment of expansion; g, seed, with its funiculus; h, vertical section of seed and its embryonic contents; i, the embryo; k, horizontal section of the embryo and its contents.

Structure of a Flower

Flower anatomy. A, sectional view of a flower showing the vertical disposition of whorls. a, sepal of…

A sperm-whale (<I>Physeter macrocephalus</i>) or cachalot (French). A, top view of a fetal sperm-whale skull.

Physeter macrocephalus Skull

A sperm-whale (Physeter macrocephalus) or cachalot (French). A, top view of a fetal sperm-whale skull.

A sperm whale fetal skull, bottom view.

Sperm Whale Skull

A sperm whale fetal skull, bottom view.

A sperm whale skull, side view.

Sperm Whale Skull

A sperm whale skull, side view.

Section view of wharves at Deptford and Blackwall, England. An example of pile work, which is work consisting of piles and is often found in construction. d, iron land ties; a, pile.

Pile Work

Section view of wharves at Deptford and Blackwall, England. An example of pile work, which is work consisting…

General view of camp life in the war.

War Camp

General view of camp life in the war.

Civilians standing in front of the Warrenton hotel.

Warrenton Hotel

Civilians standing in front of the Warrenton hotel.

Side view of Henry Wadsworth Longfellow.

Henry Wadsworth Longfellow

Side view of Henry Wadsworth Longfellow.

A man preaching to a crowd in medieval times in front of a large cross.

Medieval Preacher

A man preaching to a crowd in medieval times in front of a large cross.

A wedding procession with the bride up front riding a cow.

Wedding Procession

A wedding procession with the bride up front riding a cow.

The Dome of the Rock is seen in the center of this view of tho Old City of Jerusalem. The Dome of the Rock is situated in the center of the Temple Mount, the site where, it is believed, the Jewish First Temple and Second Temple had stood.

Jerusalem Cityscape

The Dome of the Rock is seen in the center of this view of tho Old City of Jerusalem. The Dome of the…

A young couple sitting together in front of a fire.

Young Couple

A young couple sitting together in front of a fire.

An image of a farm house with cows in the front of the property with a broken cart.

Farm House

An image of a farm house with cows in the front of the property with a broken cart.

A profile view of a man's head.

Side Portrait

A profile view of a man's head.

An old man wearing an academic or ecclesiastical robe and skull cap stands and points to a paper on a table in front of him.

Old Man in Robe Pointing to a Paper

An old man wearing an academic or ecclesiastical robe and skull cap stands and points to a paper on…

Corey and Gloyd Wrestling by J. W. Ehninger. Two men fighting in front of spectators. Some onlookers are sitting, some are standing, and one is holding a scythe. The location is presumably a field.

Men Fighting

Corey and Gloyd Wrestling by J. W. Ehninger. Two men fighting in front of spectators. Some onlookers…

The end view of a house that stores sweet potatoes.

Storage House

The end view of a house that stores sweet potatoes.

A cut-away view of a lathe apron.

Lathe Apron

A cut-away view of a lathe apron.

Grinding the front of round-nose tool.

Grinding Front

Grinding the front of round-nose tool.