GEC K 256
Consisting of Hand Combination with Switch in Handle, Buzzer, Induction Coil, Automatic Switch Hook, and special Push Button Line Selectors. The Terminals are so arranged that connections may be made on the front.
Available in 10, 15, 20, 25 or 30 Line variants.
Taken from the G.E.C. Illustrated Telephone Catalogue 9th edition (1904)
Last revised: January 23, 2011