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6c Marconi's Spark Coil. Progress in Electronics 1973
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6c Marconi
Category: Commemorative Stamps
Tags: 6c | Marconi | Spark | Coil | Gap | Progress | Electronics | 1973|
Stamp Title:
6c Marconi's Spark Coil. Progress in Electronics 1973
Issue Year:
1973  
Date of Issue:
10th July, 1973  
Size:
Face Value:
6c 
Stanley Gibbons Catalogue No:
1505  
Scott Catalogue No:
1500
Printer:
 
Issue Copies:
60 million 
Designer(s):
Walter and Naiad Einsel
Theme(s):
Science & Technology
Description:
6c Marconi's Spark Coil and Gap (1901). Progress in Electronics 1973