Colliery Tannoy – D.A.C.

Colliery Tannoy.
An armoured colliery tannoy. D.A.C. Battery Mini-Amp, type 048 02 0076 – 301, B.M.A. GAI Tronics Ltd, Burton-On-Trent, Staffs.

Made from iron, rubber and plastic. Size 8 3/4″ x 10 1/2″ x 4 3/4″ inches. Date 1990’s?

These tannoys were known as dacs and were placed at all major transfer points, headings and coal faces etc and used for communication between such places and the surface control room.