Image / Master violet ray electrotherapy applicator

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: Master violet ray electrotherapy applicator
Creator: The Master Electric Co. (Chicago, Ill.)
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: Glass tube and bulb (likely hand-blown) with metal contact and rod inside base of glass. "MASTER" engraved on metal.
Type: image
Identifier: 56B0469A-4E21-478C-81CD-960317419610
2003-1-871
Subject: Vacuum-tubes
Nineteen twenties
Diathermy
Medical equipment & supplies
Medical electronics
Medical instruments and apparatus
Electrotherapeutics
Nineteen tens

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.