Edward Jenner develops the first successful vaccine, the smallpox vaccine.
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The octant, also called reflecting quadrant, is a measuring instrument used…
screw-cutting lathe
invented by Jesse Ramsden
A screw-cutting lathe is a machine (specifically, a lathe) capable of cutting…
Air compressor
invented by Geaorge Medhurst
An air compressor is a pneumatic device that converts power (using an electric…
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Inventions that changed the world
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