Siemens & Halske AG radio valve, 1884-1936

Made:
1884-1936 in Berlin
maker:
Siemens & Halske AG

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

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:
glass, metal (unknown) and plastic (unidentified)
type:
thermionic valve
taxonomy:
  • component - object
credit:
Donated by R McVitie Weston