4 Glass-enclosed Radio Receiver Tubes and Corresponding Metal-enclosed Tubes. Left to Right: Rectifier Tubes, Power Tubes, Radio-frequency Tubes, small "Triodes", and at extreme right "Duo-diode" Tube available only in metal envelope.

General Electric Company1935-01-25

Details

Title: 4 Glass-enclosed Radio Receiver Tubes and Corresponding Metal-enclosed Tubes. Left to Right: Rectifier Tubes, Power Tubes, Radio-frequency Tubes, small "Triodes", and at extreme right "Duo-diode" Tube available only in metal envelope.
Creator: General Electric Company
Date Created: 1935-01-25
Physical Dimensions: 8 x 10
Original Language: English
Subject Keywords: Sewing machines; General Electric Company;
Type: Photograph
Publisher: General Electric Company
Rights: This digital image may be used for educational uses. Please cite as miSci- Museum of Innovation & Science. Prior written permission is required for any other use of the images from miSci.

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