L. M.
ERICSSON | ||||||||||||||||||||||||||||||||
TELEPHONE - WALL AB 530, AB535 and AB 590
CASE WORK MICRO-TELEPHONE GENERATOR RINGER DIMENSIONS BATTERY COMPARTMENT 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.
The AB 590 was the No. 346 which is in the 1897 and 1911 Ericsson Catalogues. The AB 530 was the No. 345 which is in the 1897 and 1911 Ericsson Catalogues. See ATCS Article on the Commonwealth Ericsson Inside the phone there is generally a paper sticker which details the ringer resistance. By referring to the model table above it is possible to identify the telephone model. In the 1905, 1912, 1923 and 1930 L. M. Ericsson Telephone Catalogues AB 530
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Last revised: April 24, 2024FM2 |