R.A.F. Henlow Signals Museum Exhibits

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Missile part of Tomahawk	Modulator Type 169	Monitor Crystal Type 2	Monitor Crystal Type 4A (Tropical)	Morse 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 Crystal Type 2 (Photograph Number 0320)

Click on the image to get the full size image.

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