Photoglow tube
United States Patent 1955335

Inventors:
Knowles, Dewey D.
Publication Date:
04/17/1934
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Assignee:
WESTINGHOUSE ELECTRIC & MFG CO
Primary Class:
313/538
Other Classes:
313/346R, 427/124, 427/74
International Classes:
H01J40/00; H01J40/06