Edward Jenner develops the first successful vaccine, the smallpox vaccine.
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Weighing scale
invented by Richard Salter
A scale or balance is a device to measure weight or mass. These are also known…
Plywood
invented by Samuel Bentham
Plywood is a material manufactured from thin layers or “plies” of…
Smallpox vaccine
invented by Edward Jenner
The smallpox vaccine was the first vaccine to be developed against a contagious…
Hydraulic press
invented by Joseph Bramah
A hydraulic press is a machine press using a hydraulic cylinder to generate a…
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Inventions that changed the world
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