Image / Early de Forest tubes and de Forest audion detector

View source image on contributor's website.

Get Citation

Have a question about this item?

Contact Owner

Item information. View source record on contributor's website.

Title: Early de Forest tubes and de Forest audion detector
Creator: Unknown
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: From Gerald F. J. Tyne, with accompanying notes on reverse: 343B: #6180 Glass Arber Tube made at High Bridge 1915 The last of the Candelbra base tubes. 343D: #6203 Audion of double element type photographed to show Hudson filament. 343C: #6154 Copied from June 1916 Electrical Experimenter. Type of Audion detector used in 1913.
Type: image
Format: Black & White
Identifier: 3E9F9DDA-9ACD-4574-9DBD-815153243537
2003-59-343
Subject: Vacuum-tubes (LCSH)
Audion
De Forest, Lee

About the collections in Calisphere

Learn more about the collections in Calisphere. View our statement on digital primary resources.

Copyright, permissions, and use

If you're wondering about permissions and what you can do with this item, a good starting point is the "rights information" on this page. See our terms of use for more tips.

Share your story

Has Calisphere helped you advance your research, complete a project, or find something meaningful? We'd love to hear about it; please send us a message.