Osram power vacuum tube - BBC's first radio transmitter, 1922-25 - Science Museum, London.
Part of Marconi 1.5-kW transmitter that powered BBC's London radio station 2LO
P4140009 Anx2 Q90 1600h
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Uploaded on April 26, 2016
Taken on April 14, 2016
Osram power vacuum tube - BBC's first radio transmitter, 1922-25 - Science Museum, London.
Part of Marconi 1.5-kW transmitter that powered BBC's London radio station 2LO
P4140009 Anx2 Q90 1600h
1,221
views
4
faves
2
comments
Uploaded on April 26, 2016
Taken on April 14, 2016