Mechanism Collection

Gears and cogs in the clockwork of a historical pendulum clock, detail, regulator

American barrel organ with inside mechanism, wood engravings, published 1888
American barrel organ with punched tape technique - Automatic musical instrument from the 19th century. Right side: The inside mechanism. Wood engravings, published in 1888

Cripplegate Theatre
April 1956: The stage-manager at the Cripplegate Theatre testing the signals and lights before a production. (Photo by Chris Ware/Keystone Features/Getty Images)

Engine Wheels
circa 1950: A close-up of the wheels of a steam locomotive on the track. (Photo by Fox Photos/Getty Images)

Cross section diagram of a car highlighting steering column

Illustration of the parts of a long-case pendulum clock

Sash window, exploded view

Refrigerator, cross-section, elevated view

Set of gears rotating

Illustration of how a jet engine works

Illustration of X-ray machine being used on a patient

Garage door connected to switch

Illustration of hydrofoil, car ferry and hovercraft, the latter also showing the mechanism of the fan, air movement and propeller

Illustration of a switch showing the inside mechanism

Illustration of steam train and smaller images of Rocket steam locomotive and mechanism of Thomas Newcomens engine

Illustration of helicopter rotor head

Inner Workings
An intricate web of gears and cogs, circa 1935. (Photo by Graphic House/Hulton Archive/Getty Images)

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