๐ฎ Printing Press Johannes Gutenberg (German)
๐ฎ Barometer Evangelista Torricelli (Italian)
๐ฎ Steam Engine Thomas Newcomen (British)
๐ฎ Bifocal Lens Benjamin Franklin
๐ฎ Electric Battery Alessandro Volta (Italian)
๐ฎ Electric Motor Michael Faraday (British)
๐ฎ Telegraph Samuel Morse (American)
๐ฎ Machine Gun Richard Jordan Gatling (American)
๐ฎ Dynamite Alfred Bernhard Nobel (Swedish)
๐ฎ Telephone Alexander Graham Bell (Scottish)
๐ฎ X-Ray Wilhelm Conrad Rรถntgen (German)
๐ฎ Radio Guglielmo Marconi (Italian)
๐ฎ Air Brake George Westinghouse (American)
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