GEC K8336

MINING TELEPHONE SWITCHBOARD
CERTIFIED BY H.M. MINES DEPARTMENT

This telephone switchboard has been designed for use with K8099 and K8100 telephones.

The switchboard is encased in cast iron, with glass covers over the drop indicators.

Comes in 5 or 10 lines.

Taken from the 1935 catalogue

Last revised: February 01, 2011