Type CD 150
Common Battery Wall Telephone
FRAMEWORK, polished walnut, with external fittings mottle bronzed.
MICRO-TELEPHONE. RE 4007, with cord RS 6021, suspended on a detachable hook-switch.
CONDENSER, with a capacity of two microfarads.
RINGER. 1,000 ohms resistance.
The line terminals are enclosed.
Weight 6.0 lbs.
Taken from the Ericsson Telephone Catalogue 1912
Last revised: October 01, 2019