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National NSA
Object/Artifact
-
Radio Alpha
Image: Radio's Master Encyclopedia, copyright 1942
Name/Title
National NSA
Description
Speech Amplifier
Category
Other
Made/Created
Manufacturer
National Company
Date made
1938 - 1940
General Notes
Note
QST, Sep 1938, inside back cover. QST, Oct 1938. National insert between pages 96 and 97. Lafayette catalog number 78, p. 146. (not described)
