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ERICSSON
TELEPHONE No. 535
 

See also Telephone 345

FOR USE ON MAGNETO CALL AND CLEAR SYSTEMS GIVING THE HIGHEST GRADE SERVICE UP TO THE MOST EXTREME CONDITIONS

CASE WORK
Polished walnut, constructed to hold the speaking battery of 2 cells, either Leclanché or dry cells.

MICRO-TELEPHONE
L.B. hand-set, with suspension loop for hanging on hook switch. Fitted with with 3ft. 4 way cord.

GENERATOR
4-magnet or 5-magnet type.  These generators will operate the ringer satisfactorily through a line resistance of 30,000 ohms.

RINGER
For resistance see table below.

DIMENSIONS
Height 28.5 inches, Width 13.4 inches, depth 9.75 inches.

BATTERY COMPARTMENT
To take two cells up to maximum dimensions of 3.75 inches x 3.75 x 8 inches in height, for each cell.

Type No. of magnets   Ringer Resistance   Circuit Type   Weight
AB. 530 4 300   Series 19.2
AB. 535 4 1000 Bridging 19.2
AB. 535G 4 1000   Bridging 19.2
AB. 590 5 2000 Bridging   20.25
AB. 590G 5 2000 Bridging   20.25

Telephones AB. 590 and AB. 590G are for use on very heavy bridging circuits.

Telephones AB. 530, AB. 535 and AB. 590 are supplied with push button to cut out the ringer coils and short circuit the induction coil, so as to cut out the home bell when ringing out, and also to give increased reception efficiency during conversation.

Was Telephone 345 except it is fitted with a 1000 ohm ringer.

Click here for ATCS Article on the Commonwealth Ericsson

Known as the APO Telephone No. 1.

In both the 1905 and 1912 Ericsson Telephone Catalogue

 
 
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Last revised: July 24, 2021

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