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L. M. ERICSSON
TELEPHONE CD 540


TELEPHONE - WALL
Common Battery telephone

CD 540
cd540.jpg (11533 bytes)FRAMEWORK, entirely of steel, black enamelled.

MICRO-TELEPHONE. RE 4001, with cord RS 6000, suspended on a hook-switch.

CONDENSER, with a capacity of two microfarads.

RINGER. 1,000 ohms resistance.

The line terminals and a protector are enclosed in the instrument.

Overall dimensions
Height 20.00 inches
Width 9.65
Depth 6.90

Weight, 10.14 lbs.

 Taken from the Ericsson Telephone Catalogue 1912
 

 
 
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Last revised: March 25, 2024

FM2