Inventions from 1870-1900

Timeline created by mattybb7

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Event Date:	Event Title:	Event Description:
01/01/1855	Alternating Current	The movement of electic charge causes the machine to reverse direction, the electric charge only moves one way.the inventor was George Westinghouse.!
08/24/1856	Bessemer Process	Sir Henry: was the inventor of the Bessemer Process. It removes impurities from the iron because of oxidation, air was blown through the molten, iron. Oxidation rises the tempature so it stays molten.
01/01/1867	Barb Wire	Fencing made with sharp edges used to keep people insecured areas so if they try to excape it hurts and gets stuck in your skin...Inventor Lucien B. Smith
12/20/1872	Metal Windmill	J.S Risdon inventor! Runs on energy generated by a wheel of adjustable blades or slats rotated by the wind!
01/01/1874	Incandsecent Light Bulb	Heats a metal filament wire to a high tempature then it turns on.. inventor: Robert Friedal, and Paul Israel
01/01/1881	Metal Detecor	Inventor: Alexander Graham Bell Detects Metallic weapons and other metals Significant- in a secure building they'll always be proctected.
10/01/1884	Maxim Gun	inventor: Sir Hirman Maxim Uses energy from the ejcect the bullet.
01/01/1889	Air Brakes	a brake that uses compressed air, used in locomotives,Large vehicles, and aricrafts. Inventor: George Westinghouse.
01/01/1895	Radio	Inventor: Guglielmo Marconi Electromagnetic wave that have capacity to transmit sound through the air its tied in with the telegraph and telephone.
01/01/1897	Asprin	Acetylsalicylic acid helps cure minor pains, headaches,and fevers. Inventor: Felix Hoffman