Image / Ralph Heintz, Sr., holding Radiotron Tube, 1927

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Title: Ralph Heintz, Sr., holding Radiotron Tube, 1927
Creator: Unknown
Date Created and/or Issued: 1927/08/
Contributing Institution: History San Jose Research Library
Collection: History San Jose Online Catalog
Rights Information: Please contact the contributing institution for more information regarding the copyright status of this object.
Description: This photograph was featured on page 84 of Jane Morgan's "Electronics in the West" with this caption: "Ralph Heintz holding a 50-watt 'Radiotron' tube from what may be the first short-wave transmitter to be installed on an airplane - on the Pabco Flyer first, a few days later on the Dallas Spirit."
Type: image
Format: Black & White
Identifier: 18F2975F-9B87-468D-A151-241864355500
2003-59-482
Subject: Radio in aeronautics (LCSH)
Radio--Transmitters and transmission (LCSH)
Shortwave radio (LCSH)
Heintz, Ralph M., Sr

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