Image / Electron Relays and Moorhead Tubes," Pacific Radio News, 1917

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: Electron Relays and Moorhead Tubes," Pacific Radio News, 1917
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: "Electron Relays and Moorhead Tubes," Pacific Radio News, 1917. Advertisement for Moorhead Laboratories, San Francisco, by 1919 the world's largest electron tube manufacturer. Tubes and other components were made largely for "ham" (amateur) radio operators, thus the offer of "novel wiring diagrams supplied with tubes." (two copies, with negative)
Type: Image
Identifier: CAF21CF9-E610-46C3-9C29-529558240990
2003-33-131
Subject: Moorhead Laboratories, Inc
Tubes, Vacuum
Radio--Equipment and supplies and supplies (LCSH)
Radio--Equipment and supplies (LCSH)

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.