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Radio-Craft 1947-05

Radio-Craft 1947-05.jpg Popular Mechanics 1909-05ThumbnailsRural Progress 1938-12Popular Mechanics 1909-05ThumbnailsRural Progress 1938-12Popular Mechanics 1909-05ThumbnailsRural Progress 1938-12Popular Mechanics 1909-05ThumbnailsRural Progress 1938-12

Operating a large enclosed system for testing Kenotron tubes. Chicago Parts Show number.


Artist:

Source: Anonymous donor

Restoration by: magscanner