Object Details
- Western Union Corporation
- Western Electric
- Description (Brief)
- Western Electric type 216A high-vacuum triode amplifier - oscillator. A 4-pin base with tipped G-shaped envelope. Marked: "Western Electric / Made in U.S.A. / 216 A / Pat. in U.S.A. / 1-15-07 2-18-08 10-17-16 12-19-16 12-17-18 6-24-19 1-27-20 6-13-22 / Pats Applied for"; paper label around neck reads: "Licensed for use only as part of the Western Electric Loud Speaking Telephone Outfit." Reference: https://www.westernelectric.com/s/216A.pdf; Tyne, "Saga of the Vacuum tube," pages 291-293.
- Location
- Currently not on view
- Credit Line
- from Western Union Corporation
- ca 1923
- ID Number
- EM.333066
- accession number
- 294351
- 294351
- catalog number
- 333066
- Object Name
- Tube, Electron
- vacuum tube
- triode
- Measurements
- overall: 4 1/4 in x 2 1/4 in; 10.795 cm x 5.715 cm
- See more items in
- Work and Industry: Electricity
- National Museum of American History
- Record ID
- nmah_891925
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a7-044b-704b-e053-15f76fa0b4fa
