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One of the earliest models of the automobile, which was steam-powered.

A Precursor of the Automobile

One of the earliest models of the automobile, which was steam-powered.

A three-wheeled steam artillery carriage. This image shows a detail of the boiler and its connection to the driver car.

Steam Carriage

A three-wheeled steam artillery carriage. This image shows a detail of the boiler and its connection…

An illustration of a steam-powered ship (un vapor barco) with steam billowing out of its smoke shafts.

Steam-Powered Ship

An illustration of a steam-powered ship (un vapor barco) with steam billowing out of its smoke shafts.

"A machine for turning a roasting-spit by means of a fly-wheel or -wheels, set in motion by the current of ascending air in a chimney. a,a, the chimney, contracted in a circular form; b, strong bar placed over the fireplace, to support the jack; c, wheel with vanes radiating from its center, set in motion by the ascent of the heated air, and communicating by the pinion d and the crown-wheel e, with the pulley f, from which motion is transmitted to the spit by the chain passing over it." —Whitney, 1889

Smoke-Jack Used for Roasting Meat

"A machine for turning a roasting-spit by means of a fly-wheel or -wheels, set in motion by the current…

An illustration of a tug boat in fog.

Tugboat in Fog

An illustration of a tug boat in fog.