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R.A.F. Henlow Signals Museum Exhibits for disposal |
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R.A.F. Henlow Signals Museum Exhibits for disposal |
| Full Listing |
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=0390.jpg "Monitor Crystal Type 4A (Tropical)") |
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| Monitor Crystal Type 4A (Tropical) | Monitor Performance | Morse Buzzer Valve Type 2 | Morse Creed Keyboard Perforator 9 | Morse Creed Tape Printer 1T |
Buzzer, Valve Type 2This battery powered unit was used for instructional purposes in Morse signalling. It is designed so as to provide signals of variable pitch note and of adequate volume in up to 20 pairs of headsets. By coupling two units together, interfering signals can be produced. Sec/Ref 10A/10158. |
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Morse Buzzer Valve Type 2 (Photograph Number 0248) Click on the image to get the full size image. |
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