Edison's Inventions
1868
Invented the electric vote recorder
1869
Invented the universal stock ticker and the unison stop
1872
Invented the monograph; automatic telegraph system; duplex, quadruplex, sextuplex, and multiplex telegraph systems; paraffin paper; and carbon rheostat
1875
Discovered "Etheric Force," an electric phenomenon that is the foundation of wireless telegraphy
1876
Invented the electric pen used
for the first mimeographs
1877
Invented the carbon telephone transmitter, making telephony commercially practical; phonograph (this was Edison's favorite invention)
1879
Developed practical incandescent light; radically improved dynamos and generators; discovered
a system of distribution, regulation, and measurement of electric current-switches,
fuses, sockets, and meters
1880
Invented the magnetic ore separator; discovered the "Edison Effect," the fundamental principle of electronics
1885
Discovered a system of wireless induction telegraph moving trains and stations
1891
Invented the motion picture camera
1896
Invented the fluoroscope; invented the fluorescent electric lamp
1900
Invented the nickel-iron-alkaline storage battery
1914
Invented the electric safety miner's lamp; discovered the process for manufacturing synthetic carbolic acid
1915
Conducted special experiments on more than 40 major war problems for the Navy Department
1927-1931
Tested 17,000 plants for rubber content as a source of rubber in ware emergencies