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A Tribute to American Inventors 1983

A Tribute to American Inventors 1983 First Day Covers
Price:
 
$9.95

  

Stock #: 558463
Type: First Day Cover
Postmark: 1983 Sep-21
PM City: Washington
PM State: DC
Stamp: 20c
Size: 3.75" x 6.5" (10 x 16.5 cm)
Additional Details:
Charles Steinmetz, Electrical Theories - Edwin Armstrong, Frequency Modulation - Nikola Tesla, Induction Motor - Philo T. Farnsworth, First TV Camera

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