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Illustration showing a twin cylinder steam engine fitted to a sentinel wagon. The steam expands and compresses as the piston oscillates. This oscillation rotates both the piston shaft and cam shaft, attached to the wheel.

Twin Cylinder Steam Engine Fitted to Sentinel Wagons

Illustration showing a twin cylinder steam engine fitted to a sentinel wagon. The steam expands and…

A side and inside view of the superheated steam vehicle. Water is heated by a heat transferred by the fuel in the front casing of the vehicle. The steam is transferred to the piston, underneath the vehicle, to be compressed and expanded. The piston shaft is moves the bar connected to the wheel to operate the vehicle.

Side and Inside View of Steam Operated Vehicle

A side and inside view of the superheated steam vehicle. Water is heated by a heat transferred by the…

A steam operated wagon with two speed gear. The gears are located at the intermediate shaft, moving the back wheel by a chain drive. The gearing is enclosed to protect it from dust exposure during use.

Steam Operated Wagon with Transmission Gearing with Double Helical Gear

A steam operated wagon with two speed gear. The gears are located at the intermediate shaft, moving…

An illustration of a steam wagon with a transmission with two side chains. The boiler is located on at the front, while the water tank is on the bottom back. The chain connects the back wheel and the engine.

Steam Wagon with Two Side Chains Transmitting Drive

An illustration of a steam wagon with a transmission with two side chains. The boiler is located on…

A Yorkshire steam wagon patent with unique boiler construction. The wagon operates with the drive chain connected to the back wheel to the intermediate shaft. The boiler is located at the front oriented sideways, while the engine is located behind the driver.

Yorkshire Steam Wagon Patent

A Yorkshire steam wagon patent with unique boiler construction. The wagon operates with the drive chain…

A superheated steam tractor built by Colonel Crompton. The boiler, located in the front, heats the water, then the steam enters the piston near the rear wheel. The large rear wheel is connected to the gears by a drive chain.

Colonel Crompton's Superheated Steam Tractor

A superheated steam tractor built by Colonel Crompton. The boiler, located in the front, heats the water,…

A side internal and chassis view of Albion car. The car has 16 horsepower and weighs 2 tons. The shaft, in the middle, comes from the engine to the back gears. The back gears are connected to the wheel by a driving chain.

Internal and Chassis View of Albion Car

A side internal and chassis view of Albion car. The car has 16 horsepower and weighs 2 tons. The shaft,…

A side internal and chassis view of the Halley's Van or Lorry. The vehicle have a 20 horsepower engine with gear box at the rear. The speed is adjusted by a lever, adjusting gears at the center. The outside gears are connected to the wheel by a drive chain.

Halley's Van or Lorry with Internal Combustion Vehicle Side and Chassis View

A side internal and chassis view of the Halley's Van or Lorry. The vehicle have a 20 horsepower engine…

"One of the chief advantages of the side—chain drive lies in the fact that there is, with it, less weight below the springs than with any other form of final drive. The only parts below the springs are: the fixed back axle; the chain rings; the road wheels themselves; the road—wheel brakes and part of the weight of the chains." —Encyclopaedia Britannica, 1910

Six Ton Wagon Chassis

"One of the chief advantages of the side—chain drive lies in the fact that there is, with it,…

A back axle of a Leyland petrol wagon illustrating direct drive. The middle casing houses the reducing and differential gear, while the wheel axles are going through the box. The gears are moved by a shaft coming from the engine, rotating the gears and the wheels.

Back Axle of Leyland Six Ton Petrol Wagon

A back axle of a Leyland petrol wagon illustrating direct drive. The middle casing houses the reducing…

A side view of Barford and Perkins water—ballast rollers. The vehicle operated using an internal combustion engine to turn the back tires by a drive chain and stopped by turning the wheel on the right. A stirring chain was connected from the front rollers to the large wheel.

Side View of Barford and Perkins Water Ballast Rollers

A side view of Barford and Perkins water—ballast rollers. The vehicle operated using an internal…

A machine for propelling an aircraft or boat, consisting of a power-driven shaft with radiating blades that are placed so as to thrust air or water in a desired direction when spinning.

Boat Steer and Propeller

A machine for propelling an aircraft or boat, consisting of a power-driven shaft with radiating blades…

A guard over each wheel of a motor vehicle, for example, that is shaped and positioned so as to block the splashing of water or mud.

Vehicle Fender

A guard over each wheel of a motor vehicle, for example, that is shaped and positioned so as to block…

A machine that runs on the energy generated by a wheel of adjustable blades or slats rotated by the wind.

Windmill Tower

A machine that runs on the energy generated by a wheel of adjustable blades or slats rotated by the…

A shield over or behind a vehicle's wheel to prevent mud or water from splashing onto that vehicle or a following vehicle. Also called splashguard.

Mud Guard

A shield over or behind a vehicle's wheel to prevent mud or water from splashing onto that vehicle or…

A Marshall's agricultural hydraulic gear tractor. The fuel tank is located on the bottom back of the tractor, while the water tank is under the driver's seat. The back wheel is turned by the engine.

Marshall's Agricultural Hydraulic Gear Tractor

A Marshall's agricultural hydraulic gear tractor. The fuel tank is located on the bottom back of the…

"A wheel which contains and supports the various parts of the governor is keyed to the shaft. Two arms, having weights A A at the ends, are pivoted to the arms of the wheel at b b. The ends having the weights are connected to the collar on the loose eccentric C by means of rods B B." —Derr, 1911

Buckeye Engine Governor

"A wheel which contains and supports the various parts of the governor is keyed to the shaft. Two arms,…

A straight line engine governor illustrating the direction of the ball (B) is going. The single ball is rotated around by spring S, spinning the wheel. The valve closes as the wheel spins.

Straight Line Engine Governor

A straight line engine governor illustrating the direction of the ball (B) is going. The single ball…

"The spring balance, B, is shown in a horizontal position. The ropes are held to the pulley or fly—wheel face by blocks of wood, O. The weights at W may be replaced by a spring balance if desired." —Derr, 1911

Rope Brake Measuring Brake Horse Power

"The spring balance, B, is shown in a horizontal position. The ropes are held to the pulley or fly—wheel…

An Amsler Polar Planimeter instrument used to measure the area of an arbitrary shape. The planimeter traces the shape of the graph with respect to the origin. The wheel at the hinge shows the measurement of the area.

Amsler Polar Planimeter to Find Area of Indicator Diagram

An Amsler Polar Planimeter instrument used to measure the area of an arbitrary shape. The planimeter…

A Joy valve gear for steam engine rotating the wheel in the direction of the arrow. The lever F changes the direction the wheel would turn when turned to point B.

Joy Steam Engine Valve Gear Rotating Wheel

A Joy valve gear for steam engine rotating the wheel in the direction of the arrow. The lever F changes…

An illustration of the steam engine with Walschaert gear system on rail tracks. The piston moves the long shaft connected to the wheel. The lever adjusts the rods on top up and the lower ones down to rotate the wheels opposite from the arrows.

Steam Engine with Walschaert Gear on Railroad

An illustration of the steam engine with Walschaert gear system on rail tracks. The piston moves the…

"All fly—wheel governors operate by shifting the eccentric either to change the angular advance, the travel of the valve, or both. The principle of a governor arranged to give decreasing lead under the head of governors." —Derr, 1911

Top View of the Fly Wheel Governor Turning Clockwise

"All fly—wheel governors operate by shifting the eccentric either to change the angular advance,…

A caster (or castor) is an undriven, single, double, or compound wheel mounted on an object to make movement easier.

Wheel Caster

A caster (or castor) is an undriven, single, double, or compound wheel mounted on an object to make…

"In 1629, Branca, an Italian, invented a turbine much like a miniature water wheel, which was driven by a jet of steam from a nozzle directed against the buckets of the wheel. This is the simplest form of an impulse turbine." —Derr, 1911

Branca's Impulse Steam Turbine

"In 1629, Branca, an Italian, invented a turbine much like a miniature water wheel, which was driven…

A guard over each wheel of a motor vehicle, for example, that is shaped and positioned so as to block the splashing of water or mud.

Vehicle Fender

A guard over each wheel of a motor vehicle, for example, that is shaped and positioned so as to block…

The circular outer part of a wheel, furthest from the axle.

Detachable Rim

The circular outer part of a wheel, furthest from the axle.

Mechanism that connects the coupler to the frame of the car. In model railroading, the coupler mounting box is often so-named.

Draft Gear

Mechanism that connects the coupler to the frame of the car. In model railroading, the coupler mounting…

A grinding machine is a machine tool used for grinding, which is a type of machining using an abrasive wheel as the cutting tool.

Machine for Grinding

A grinding machine is a machine tool used for grinding, which is a type of machining using an abrasive…

A set of mechanical gears that eqaulises the power between the left and right drive wheels, particularly when cornering, when the outside wheel travels further than the inside wheel.

Gearing Differential

A set of mechanical gears that eqaulises the power between the left and right drive wheels, particularly…

An illustration of a clock spring which is a special rotary electrical connector. The clock spring allows a vehicle's steering wheel to turn while sill keeping a connection between many devices within the steering column.

Clock Spring

An illustration of a clock spring which is a special rotary electrical connector. The clock spring allows…

The hub of a wheel, through which the axle passes; The journal box of a rotating axle, especially a railway axle

Axle Box

The hub of a wheel, through which the axle passes; The journal box of a rotating axle, especially a…

A powerful small boat designed to pull or push larger ships

Small Tugboat

A powerful small boat designed to pull or push larger ships

A restraint provided when the brake linings are moved hydraulically against the brake drum to retard the wheel's rotation

Brake Shoe

A restraint provided when the brake linings are moved hydraulically against the brake drum to retard…

The central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes

Wheel Hub

The central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes

A ring-shaped covering that fits around a wheel to protect it and enable better vehicle performance by providing a flexible cushion that absorbs shock while keeping the wheel in close contact with the ground.

Small Vehicle Tire

A ring-shaped covering that fits around a wheel to protect it and enable better vehicle performance…

"As the mummy of the dead was placed in a barge to be taken across the Lake of the Dead-for it was the manner of the Egyptians to bear the bodies about to be entombed across the water to the place of the sepulture-the members of the household, especially the women, were wont to follow in another barge, and with uplifted hands and unbound hair to cry out for the lost."—Ridpath, 1885

Funeral Procession Crossing the Lake of the Dead

"As the mummy of the dead was placed in a barge to be taken across the Lake of the Dead-for it was the…

A German passenger steam ship.

Steam Boat

A German passenger steam ship.

A steam boat of the Austrian Lloyd shipping company.

Austrian Lloyd Ship

A steam boat of the Austrian Lloyd shipping company.

"Experience teaches far more than tongue can tell, / Where the shoe pinches, or where troubles dwell: / When on the shoal the loaded boat is lying, / This man, he knows it well - the oar he's plying; / He can true warning give to others round, / He knows full well the boat is on the ground."—Barber, 1857

He that's Aground Knows Where the Shoal is

"Experience teaches far more than tongue can tell, / Where the shoe pinches, or where troubles dwell:…

"A band or cord (E) connected the large wheel with the small wheel (D). Another cord (F) connected the small wheel with the grooved pulley, or wharve, on the spindle (C). The revolutions of the large wheel turned the small wheel very rapidly, thus communicating motion to the spindle through the wharve."—Webster, 1920

A Spinning Wheel

"A band or cord (E) connected the large wheel with the small wheel (D). Another cord (F) connected the…

"This machine carried a number of spindles turned by cords or belts from the same wheel, and operated by hand. It was a very simple affair, but it spun at first eight threads then sixteen, and within the inventor's own lifetime eighty, thus doing the work of many spinning wheels."—Webster, 1920

Spinning Jenny

"This machine carried a number of spindles turned by cords or belts from the same wheel, and operated…

A wheel from an Ancient Egyptian chariot.

Chariot Wheel

A wheel from an Ancient Egyptian chariot.

An early spinning wheel.

Spinning Wheel

An early spinning wheel.

An ancient Greek ship.

Greek Ship

An ancient Greek ship.

In the short story of The Holy Grail, the image depicts the ship arriving at the city of Sarras.

The Ship Approaches the City of Sarras

In the short story of The Holy Grail, the image depicts the ship arriving at the city of Sarras.

"It was the custom of Northmen to bury their dead sea king near the sea in his ship and over the spot to raise a great mound of earth. The boat shown in the cut was found in 1880 in a burial mound at Gokstadt, South Norway. Its length is 78 feet. From the mode of sepulture it is inferred that the mound was raised between A.D. 700 and 1000."—Myers, 1905

A Viking Ship

"It was the custom of Northmen to bury their dead sea king near the sea in his ship and over the spot…

The state barge of Venice, which was used in the ceremony of "Wedding the Adriatic."—Myers, 1905

State Barge of Venice

The state barge of Venice, which was used in the ceremony of "Wedding the Adriatic."—Myers, 1905

A canal in Venice, Italy.

A Canal in Venice

A canal in Venice, Italy.

The first steamship in the world to cross the Atlantic Ocean.

The Savannah

The first steamship in the world to cross the Atlantic Ocean.

The method of filling the ordered army draft during the Civil War.

The Drafting Wheel

The method of filling the ordered army draft during the Civil War.

An ancient ship used by Greeks and Romans. The ship has three rows of oars on each side, with a man operating each oar.

An Athenian Trireme

An ancient ship used by Greeks and Romans. The ship has three rows of oars on each side, with a man…

"This ship lies besides the wharf at Ostia. In the afterpart of the vessel is a cabin with two windows. Notice the figure of Victory on the top of the single mast and the decoration of the mainsail with the wolf and twins. The ship is steered by a pair of huge paddles."—Webster, 1913

A Roman Freight Ship

"This ship lies besides the wharf at Ostia. In the afterpart of the vessel is a cabin with two windows.…

Canals used during ancient Babylonian times.

Ancient Babylonian Canals

Canals used during ancient Babylonian times.

An ancient Greek boat with 50 oars.

Fifty-Oared Greek Boat

An ancient Greek boat with 50 oars.

"The representation shows the arrangement of the tiers or oars in a two-banked ship. In just what way the lines of rowers in triremes and quinqueremes were arranged is unknown."—Myers, 1904

Prow of a Roman War Ship

"The representation shows the arrangement of the tiers or oars in a two-banked ship. In just what way…

A small agricultural tool used to carry heavy loads.

Wheelbarrow

A small agricultural tool used to carry heavy loads.

"On rolling land it is better to use one that has 3 sections with 6 to 10 wheels per section."—The Federal Digest, 1921

16-Wheel Sub-Surface Packer

"On rolling land it is better to use one that has 3 sections with 6 to 10 wheels per section."—The…

A steam ship that aids in daily transportation.

Steam Boat

A steam ship that aids in daily transportation.

Seven sailboats.

Seven Sailboats

Seven sailboats.