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Metal Detector
Alexander Graham Bell invents the first crude metal detector. He built it to find i bullet in the American president James Garfield. -
Machine Gun
Harim Maxim invents his machine gun.After shooting rifels he uses the recoil to make an automatic gun.
'Hang your chemistry and electricity! If you want to make a pile of money, invent something that will enable these Europeans to cut each others' throats with greater facility.' -
AC motor
Nikola Tesla and Galileo Ferraris invents the AC motor and transformer . The two men made the invention while working for Thomas Edison. -
Airplane
The Wright brothers invent the first gas motored and manned airplane. This new invention eventualy evolves the transportation of the world. -
Tractor
Benjamin Holt invents a tractor. Makes the farming industry farm more streamlined. removes some of the back breaking labor. -
Sonar
Lewis Nixon invents the first sonar like device. -
Electric Ignition for Cars
Charles Franklin Kettering invents the first automobile electrical ignition system. Makes starting your car far easier, before you had to hand crank the car to start it. -
Motorized Movie Cameras
Motorized movie cameras invented, replaced hand-cranked cameras. -
Pop-up Toaster
The pop-up toaster invented by Charles Strite. Made home life easier for the everyday person.