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R.A.F. Henlow Signals Museum Exhibits

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Missile_part_of_Tomahawk=0069.jpg Modulator_Type_169=0138.jpg

Monitor_Crystal_Type_4A_(Tropical)=0390.jpg Morse_Buzzer_Valve_Type_2=0248.jpg
part of Tomahawk
Type 169
Crystal Type 2
Crystal Type 4A (Tropical)
Buzzer Valve Type 2

Monitor crystal type 2.

The Crystal Monitor Type 2was designed for use in aircraft to facilitate the initial adjustment and subsequent monitoring of CW transmitters and receivers. It could operate on one of six spot frequencies in the range of 1 to 7.5Mc/s using quartz crystals. A seventh position on the switch was provided by a pair of sockets on the front panel for an external crystal.

Sec/Ref: 10D/11390

Monitor<br>Crystal Type 2

Monitor Crystal Type 2 (Photograph Number 0320)

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