Loudspeaker Mystery

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14-06-14, 12:49

Johnny Canuck Johnny Canuck is offline

Geoff Truscott

Join Date: Aug 2011

Location: Ottawa, Ontario, Canada

Posts: 170

Hello David
Telephone Loudspeaker was used to control a battery of 25 pdr's or 4.2" mortars.
The L.S. No.2 Canadian Control Unit was located at the CP and connected to the Loudspeakers by 2 wire cable. The CP could send instructions to the guns and the guns could reply by pressing the Push button and then yelling into to speaker to send a reply.

Some scans from a 1943 British 4.2" Mortar Manual.

Geoff

Attached Images

	TelephoneLSNo21.jpg (89.3 KB, 1 views)
	TelephoneLSNo22.jpg (47.0 KB, 1 views)
	TelephoneLSNo23.jpg (54.0 KB, 2 views)
	TelephoneLSNo24.jpg (109.8 KB, 1 views)
	TelephoneLSNo25.jpg (40.6 KB, 1 views)

Last edited by Hanno Spoelstra; 27-09-15 at 09:36. Reason: attached images, photobucket won't last forever!

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