A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder.
invented by Nicolas-joseph cugnot
A car (or automobile) is a wheeled motor vehicle used for transportation. Most…
invented by William Cullen
The term refrigeration means cooling a space, substance or system to lower…
invented by Jesse Ramsden
A screw-cutting lathe is a machine (specifically, a lathe) capable of cutting…
invented by Richard Salter
A scale or balance is a device to measure weight or mass. These are also known…
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