Please contact the contributing institution for more information regarding the copyright status of this object.
Description
Type 155 Gammatron, made by Heintz and Kaufman of San Francisco. This tube, a rare example of this type of "gridless gammatron," had a plate dissipation of 150 watts and was built for the amateur market.
Type
image
Identifier
1A8C9C7F-8BC3-4CB0-AC51-551390184088 2003-1-3
Subject
Communication Electronic industries (LCSH) Gammatrons Heintz and Kaufman Radio industry Sound equipment & supplies Vacuum-tubes (LCSH) Heintz, Ralph M., Sr
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.