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R.A.F. Henlow Signals Museum Exhibits for disposal

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Model_Series40_Radar=0426.jpg Monitor_Crystal_Type_2=0320.jpg

Monitor_Performance=0432.jpg Morse_Buzzer_Valve_Type_2=0248.jpg
Model
Series40 Radar
Monitor
Crystal Type 2
Monitor
Crystal Type 4A (Tropical)
Monitor
Performance
Morse
Buzzer Valve Type 2

Monitor crystal type 4A.

This unit was used to provide a test signal on one of five preset frequencies for setting the tuneable R1132A receivers to
the required frequency. The frequency was controlled by quartz crystals and the crystal frequency was electronically
multiplied by 18 to get the output frequency in the air band between 100Mc/s and 130Mc/s.

Sec/Ref: 10T/573

Monitor<br>Crystal Type 4A (Tropical)

Monitor Crystal Type 4A (Tropical) (Photograph Number 0390)

Click on the image to get the full size image.


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