Colliery Tannoy – D.A.C.

Colliery Tannoy – D.A.C.

Colliery Tannoy.
Armoured Colliery Tannoy. Commonly known as a DAC. Mini-Amp type MA/MI. Derby Automation Consultants Ltd, Burton-On-Trent, Staffs. Made from Iron, Rubber and Brass. Size 9 1/2″ x 4″ x 6″ inches. Date 1980s-1990s.

These Tannoys were placed at all major transfer points, headings and coal faces etc and used for communication between such places and the surface. Control Room.

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