The octant, also called reflecting quadrant, is a measuring instrument used primarily in navigation. It is a type of reflecting instrument.
invented by Jesse Ramsden
A screw-cutting lathe is a machine (specifically, a lathe) capable of cutting…
invented by Edward Jenner
The smallpox vaccine was the first vaccine to be developed against a contagious…
invented by Joseph Bramah
A hydraulic press is a machine press using a hydraulic cylinder to generate a…
invented by Eli Whitney
A cotton gin – meaning “cotton engine” – is a machine that…
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Inventions that changed the world
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