4 Free Photos of Audion

cc-zerofiles uploaded by daderotvacuum tubes in the national electronics museum
1926-Loewe-Audion-OE333-P1020682-1
audion radio receiversself-published work
Cylindrical Audion, made by Lee deForest's laboratory, c. late 1910s-1920s - National Electronics Museum - DSC00107
self-published workaudion
Cylindrical Audion, made by Lee deForest's laboratory, c. late 1910s-1920s - National Electronics Museum - DSC00106
self-published workaudion
DeForest three element vacuum tube, c. 1910 - Bennington Museum - Bennington, VT - DSC08650
self-published workaudion
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