1 option
De Forest radio telephone and telegraph equipments.
- Format:
- Book
- Language:
- English
- Subjects (All):
- Lee De Forest Laboratories.
- Physical Description:
- 1 online resource (31 pages) : illustrations (black and white).
- Place of Publication:
- San Francisco, Cal. : Lee De Forest Inc., [19--?]
- Notes:
- Catalogue no. 101.
- Collection: Trade Catalogues (Trade Cat .D313 19--)
The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.