GEC K 261
MAGNETO INTERCOMMUNICATION TELEPHONE
With Micro-telephone, Induction Coil, Magneto Generator, Automatic Switch Hook, Call Bell and Line Selector, with Two Yards of Flexible Cord and Rosette.
Available in 5, 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