Name: | BTH (B.T.H.), British Thomson-Houston Co, Ltd. (GB) |
Abbreviation: | bth |
Products: | Model types Tube manufacturer |
Summary: |
B.T.H., British Thomson-Houston Co, Ltd., Crown House, Aldwych, London WC 2.
Products: Crystal sets, valve radios, Loudspeakers, valves. |
Production: | 1916 - |
History: |
In 1928 BTH amalgamated with Metrovick and Edison Swan to form Associated Electrical Industries Ltd.(AEI). |
Country | Year | Name | 1st Tube | Notes |
---|---|---|---|---|
GB | 22 | Type C Form A [early] | BBC/PMG stamp; GPO No.106; Crystal changeover switch permit to select one of two independa... | |
GB | 23 | Valve-Crystal Receiver "Radiola1" Type VC | B5 | BBC/PMG stamp; GPO No.0373; HF-stage and twin crystal det.; Long Wave by plug-in coil. ... |
GB | 23 | Type C Form A Radiola Form A [late] | BBC/PMG stamp; GPO No.106; Crystal changeover switch permit to select one of two independa... | |
GB | 23–25 | BTH Bijou Type C, Form B [early] | BBC/PMG stamp; GPO No.861; Height with lid open 160 mm. Later models got the name RADIO... | |
GB | 99 | doublet 76502 | MW/LW version; | |
GB | 23 | VR2 | plug-in coils; | |
GB | 99 | doublet id= 76209 | BBC/PMG stamp, GPO No.861; | |
GB | 25/26 | BTH Bijou Type C, Form BB | Dial in metres for BC and LW. Automatic band switching. | |
GB | 25 | VA1 Form AB | BBC/EBM stamp. | |
GB | 25 | VR2 Form BA | Plug in tuning units. BBC/EBM stamp. Matching amplifiers for loudspeaker use: VA1 or VA2. | |
GB | 25 | VA2 | BBC/EBM stamp. | |
GB | 27 | VR3 Form A |
Further details for this manufacturer by the members (rmfiorg):
Data Compliance | More Information |