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"A representation of a common form of the delicate balances employed in physical and chemical researches. the beam is constructed so as to combine lightness with strength, and rests by a fine knife-edge on an agate plane. It is surmounted by a weight moving on a screw, so that the sensibility may be increased or diminished, according as weight is raised or depressed." — Chambers' Encyclopedia, 1875

Balance

"A representation of a common form of the delicate balances employed in physical and chemical researches.…

A man checking another mans pulse.

Pulse

A man checking another mans pulse.

"The Steelyard is more portable then the ordinary balance. It consists of a lever, AB, moving round a knife-edge or point at C. The body to be weighed, W, is put into the scale which hangs from A; and a movable weight P, is made to slide along the longer arm, until the lever, AB, remains horizontal." — Chambers' Encyclopedia, 1875

Steelyard

"The Steelyard is more portable then the ordinary balance. It consists of a lever, AB, moving round…

A cartoon of two men fighting with sticks and books.

Two Men Fighting

A cartoon of two men fighting with sticks and books.