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"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…

"The steelyard differs from the balance, in having its support near one end, instead of in the middle, and also in having the weights suspended by hooks, instead of being placed in a dish." -Comstock 1850

Steelyard

"The steelyard differs from the balance, in having its support near one end, instead of in the middle,…

"When bodies of unequal weight are supported by the arms of a lever, they will balance each other whenever the weight of the one multiplied into its distance from the fulcrum." —Quackenbos 1859

Steelyard

"When bodies of unequal weight are supported by the arms of a lever, they will balance each other whenever…

"The steelyard is a kind of balance, which, though not so sensitive as the one being described above, answers very well for heavy bodies, and is conveniently carried, as it requires but a single weight, and may be held in the hand or suspended anywhere." —Quackenbos 1859

Steelyard

"The steelyard is a kind of balance, which, though not so sensitive as the one being described above,…

The steelyard is an instrument for weighing bodies by means of a single weight which can be hung at any point of a graduated arm.

Steelyard

The steelyard is an instrument for weighing bodies by means of a single weight which can be hung at…