Telephone, Loud Speaking, No.2 YA.2803

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.