A scale or balance is a device to measure weight or mass. These are also known as mass scales, weight scales, mass balances, and weight balances.
invented by claude Chappe
Telegraphy is the long-distance transmission of messages where the sender uses…
invented by John hadley Thomas godfrey
The octant, also called reflecting quadrant, is a measuring instrument used…
invented by Geaorge Medhurst
An air compressor is a pneumatic device that converts power (using an electric…
invented by Jesse Ramsden
A screw-cutting lathe is a machine (specifically, a lathe) capable of cutting…
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