See also Telephone 345
FOR USE ON MAGNETO CALL AND CLEAR SYSTEMS GIVING THE HIGHEST GRADE SERVICE UP TO THE MOST EXTREME CONDITIONS
Polished walnut, constructed to hold the speaking battery of 2 cells, either Leclanche or dry cells.
L.B. hand-set, with suspension loop for hanging on hook switch. Fitted with with 3 ft. 4 way cord.
4-magnet or 5-magnet type. These generators will operate the ringer satisfactorily through a line resistance of 30,000 ohms.
For resistance see table below.
Height 28.5 inches, Width 13.4 inches, depth 9.75 inches.
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|
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
In both the 1905 and 1912 Ericsson Telephone Catalogue
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