Siemens & Halske AG radio valve, 1884-1936
- maker:
- Siemens & Halske AG
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Buy this image as a print
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License
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Radio valve, BO (VT no49) triode, made by Siemens & Halske AG, probably Berlin, Germany, 1884-1936
Details
- Category:
- Electronic Components
- Object Number:
- 1936-129
- Materials:
- metal (unknown), glass and plastic (unidentified)
- Measurements:
-
overall: 130 mm x 50 mm x 50 mm,
- type:
- thermionic valve
- credit:
- Donated by R McVitie Weston
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Loud speaker valve type L.S.5. W/T, 1923
