Type CD 1140
Common Battery Wall Telephone
CD1140, "induction coil" pattern with permanent magnet receiver.
CD1140A, "Electromagnet" pattern with current polarised receiver.
FRAMEWORK, black enamelled steel.
MICRO-TELEPHONE. RE 4001, suspended on a hook-switch, with cord RS 6000.
CONDENSER, with a capacity of two microfarads.
RINGER. 1,000 ohms resistance.
The line terminals and a protector are enclosed in this telephone.
Weight 6.61 lbs.
Taken from the Ericsson Telephone Catalogue 1912
Last revised: October 01, 2019