A printing press is a mechanical device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink. It marked a dramatic improvement on earlier printing methods in which the cloth, paper or other medium was brushed or rubbed repeatedly to achieve the transfer of ink, and accelerated the process. Typically used for texts, the invention and global spread of the printing press was one of the most influential events in the second millennium.
invented by Gaston Plante
The lead-acid battery is a type of rechargeable battery first invented in 1859…
invented by Nicolaus August Otto
A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in…
invented by Moritz Von Jacobi
An electric motor is an electrical machine that converts electrical energy into…
invented by Carl Gassner
A zinc–carbon battery is a dry cell primary battery that provides direct…
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Inventions that changed the world
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