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ERICSSON
TELEPHONE No. AB 520
 


Type AB 520

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Magneto Wall Telephone

FRAMEWORK, polished walnut, constructed to hold two cells, RK 360 or RK 400 (Old No. 971 or 586).

MICRO-TELEPHONE, RE 4050 (Old No. 530), with cord RS 6500 (Old No. 2061), suspended on a hook-switch.

GENERATOR, 3-magnet, RH 3150, which rings satisfactorily through a line resistance of 20,000 ohms.

RINGER, of 300 ohms resistance.

This telephone is fitted with a clip for papers.

Overall dimensions
Height 28.25 inches
Width 11.75
Depth 9.75

Weight, 17.2 lbs.

 

Taken from the Ericsson Telephone Catalogue 1912

 
 
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Last revised: September 30, 2019

FM2

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