#2055 – 1983 20c American Inventors: Charles Steinmetz, Electrical Theories

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U.S. #2055
20¢ Charles Steinmetz
American Inventors
 
Issue Date: September 21, 1983
City: Washington, DC
Quantity: 48,263,750
Printed By: Bureau of Engraving and Printing
Printing Method:
Lithographed and engraved
Perforations
: 11
Color: Multicolored
 
This stamp is part of a set of four honoring some of America's top inventors. Charles Steinmetz devised methods of harnessing high voltage for the Niagara Falls Power Plant, Edwin Armstrong invented FM radio, Nikola Tesla developed the generator and other devices that made alternating current (AC) possible, and Philo T. Farnsworth invented the first television camera.
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U.S. #2055
20¢ Charles Steinmetz
American Inventors
 
Issue Date: September 21, 1983
City: Washington, DC
Quantity: 48,263,750
Printed By: Bureau of Engraving and Printing
Printing Method:
Lithographed and engraved
Perforations
: 11
Color: Multicolored
 
This stamp is part of a set of four honoring some of America's top inventors. Charles Steinmetz devised methods of harnessing high voltage for the Niagara Falls Power Plant, Edwin Armstrong invented FM radio, Nikola Tesla developed the generator and other devices that made alternating current (AC) possible, and Philo T. Farnsworth invented the first television camera.