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Revolver with Interchangeable Parts
Invented by Samuel Colt -
Plow
Invented by John Deere -
Door Lock
Invented by Linus Yale -
Waterwheel
Invented by Lester Pelton -
Dissolvable Pills
invented by William Erastus Upjohn -
Fountain pen
Invented by Lewis Waterman -
Maxim gun smokeless gunpowder
Invented by Hiram Maxim -
Bottle Cap
Invented by William Painter -
Breakfast cereal
Invented by John Kellogg -
Radio
Invented by Guglielmo Marconi
