Spare MT9L valve for 2LO transmitter. Serial number 681. Labelled 37.

maker:
Marconi Company Limited

Spare MR6 valve for 2LO transmitter. Manufactured by Marconi. Serial number 6789. Packed in bespoke wooden crate. Labelled 37.

Details

Category:
Radio Communication
Object Number:
2009-146/17
type:
thermionic valve
taxonomy:
  • component - object
credit:
From the British Broadcasting Corporation

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