1 option
Eldridge R. Johnson : patents, 10 Nov 1958.
- Format:
- Book
- Language:
- English
- Subjects (All):
- Johnson, Eldridge Reeves, 1867-1945.
- Johnson, Eldridge Reeves.
- Physical Description:
- 1 online resource.
- Place of Publication:
- 10 Nov 1958.
- [Place of publication not identified : publisher not identified, 1958]
- Summary:
- Photograph of cutter head for recording.
- Notes:
- Collection: RCA Victor Camden/Frederick O. Barnum III Collection (2069-II)
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