Object Details
sova.nmah.ac.0055_ref1309
- Collection Creator
- Clark, George Howard, 1881-1956
- See more items in
- George H. Clark Radioana Collection
- Date
- 1910-1935
- Archival Repository
- Archives Center, National Museum of American History
- Identifier
- NMAH.AC.0055, Series 23
- Type
- Archival materials
- Collection Citation
- George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
- Collection Rights
- Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
- Scope and Contents note
- Series 23 contains advertisements; articles; correspondence, 1911-1933, including a letter to Philo Farnsworth with a file history on Andrew Plecher's patent no. 187,664; diagrams; minutes; photographs of radio switchboards and instruments; reports, including a printed report by G.E. on field rheostats, 1914; and specifications for: Panel and frame; Switches; Voltmeters and other meters; Frequency meters (power frequency); relays (except relay keys); Solenoid switches (as part of the panel); Field rheostats (as part of the panel); Motor generator transfer switch (when not an integral part of the motor starter); Transformer transfer switch; and fuses, clips, and terminals.
- Collection Restrictions
- Collection is open for research but a portion of the collection remains unprocessed and is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at [email protected] or 202-633-3270. Gloves must be worn when handling unprotected photographs, negatives, and slides.
NMAH.AC.0055_ref1309
Large EAD
https://n2t.net/ark:/65665/ep868afc155-dd5c-4da6-abe6-7fe75796f3c7
NMAH.AC.0055
ACAH
- Record ID
- ebl-1562720312231-1562720312438-6