Image / RCA 868 Radiotron gas-filled phototube, side-on

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: RCA 868 Radiotron gas-filled phototube, side-on
Creator: Radio Corporation of America
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: See https://www.radiomuseum.org/tubes/tube_868.html for more information. Number 41 written on inside glass element.
Type: image
Identifier: 9743CB1F-6FD7-46E7-89A9-101067192590
2003-1-866
Subject: Vacuum-tubes
Nineteen forties
Photoelectric cells
Radio Corporation of America
Sound equipment & supplies
Sound recording
Sound motion pictures

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.