Skip to main content

Image / Handmade spark transmitter

Get Citation
Have a question about this item?
Contact Owner

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

Title
Handmade spark transmitter
Creator
Unknown
Date Created and/or Issued
1920-1930
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
Handmade spark transmitter for amateur wireless: rotary gap with helix.
Type
Image
Identifier
9F942A42-FA37-404E-8B4D-102591121678
2003-1-160
Subject
Amateur radio stations (LCSH)
Radio--Transmitters and transmission (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.

Explore related content on Calisphere:

Similar items on Calisphere