Please contact the contributing institution for more information regarding the copyright status of this object.
Description
Broadcast receiver type D-7A, with interior sockets for three Audion vacuum tubes, c. 1923. Top panel of receiver opens for access to tubes and antenna coil socket. (Currently holds three de Forest Audion tubes, one of which is 802.71S Perham accession number, Type DV2.)
Type
image
Identifier
D44D0990-EEBD-43D7-B12A-633830266718 2003-1-151
Subject
Radio--Receivers and reception (LCSH) Radio broadcasting--History (LCSH) De Forest Radio Telephone Company De Forest, Lee
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.