An illustration of a balance scale.
Student learning to measure weights.
This is a hydraulic weighing scale were the object is placed on a base and later water is filled into…
Scales used for coining.
An illustration of a price computing spring weighing machine.
"Take a piece of ivory, or any other substance that will sink in water, and weigh it accurately in the…
An illustration of a price computing weighing machine.
An illustration of a price computing weighing machine using an even even balance and pendulum.
Weighing a substance in water.