Product brochures like this one were important marketing tools used by Elmer T. Cunningham and other early producers of electronics apparatus to draw the interest of the general public before and after World War I
Details
Title: Cunningham Radio Tubes brochure
Creator: Elmer Tiling Cunningham (1889- )
Date: 1915/1925
Location: San Francisco (Calif.)
Physical Dimensions: Paper
Provenance: Perham Collection of Early Electronics, History San José
Type: text
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