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1810: Food preservation by sterilization and expelling air; Francois Appert 1810: Improved printing press; Frederick Koenig 1814: Railroad locomotive; George Stephenson 1815: Miner's safety lamp; Sir Humphrey Davy 1816: Bicycle (without pedals); Karl Sauerbronn 1819: Stethoscope; Rene-Theophile-Hyacinthe Laennec

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16y ago

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