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L. M. ERICSSON
TELEPHONES AB 650, AB 651 & AB 655

TELEPHONE - WALL
Magneto wall telephones

AB 650, AB 651 and AB 655
Framework polished walnut constructed to hold 2 cells RK 220 or RK 400 (Old Cat. No. 595 or 585).

Micro-telephone RE 1050 (No. 529) with cord RS 6500 (No. 2061) resting on cradle switch.

Generator for type, see table below.

These generators will ring satisfactorily through the ringer and a line resistance of 25000 ohms.

Ringer for resistance, see table below.

Press button for short circuiting the induction coil and cutting out the ringer coil.

These Instruments are fitted with a paper clip.

Dimensions:
Height of Backboard: 715mm.
Width of Backboard: 250mm.
 

Type Old Catalogue No. Generator No. of Magnets Resistance of Ringer Weight kg.
AB 650 350 RH 4160 4 300 9,1
AB 651 - RH 4600 4 1000 9,1
AB 655 - RH 5600 5 2000 9,6

If specially ordered we supply telephones AB 651 and AB 655 without the press button but with the connection so arranged, that the ringer coils are cut out when the generator is operated.

Taken from the Ericsson Telephone Catalogue 1912

AB 650

 

 

 
 
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Last revised: April 24, 2024

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