L. M.
ERICSSON | ||||||||||||||||||||
TELEPHONE - WALL AB 670, AB 671 & 675 MICRO-TELEPHONE. RE 1050 (Old No. 529), with cord RS 6500 (Old No. 2061), resting, on a cradle switch. GENERATOR. For type and number of magnets see table below. These generators ring satisfactorily through a line resistance of 25,000 ohms. RINGER. For resistance see table below. These telephones have enclosed line terminals and are fitted with a clip for papers. Dimensions:
Telephones AB 671 and AB 675 are provided with a press button for cutting out the ringer coils and short circuiting the induction coil, the button to be pressed down while ringing. If specially ordered we supply these two telephones without the press button, but with the connections so arranged that the ringer is cut out when the generator is operated. Taken from the Ericsson Telephone Catalogue 1912 Additional Pictures
Front at an AB 670.
Internal view showing a four magnet generator and no press button which shows
this is an AB670
Rear of telephone showing the exposed bell ringer and wiring slots
Generator handle and cover key
Top of the telephone in close up
Close up of the bell ringer
Left hand side of telephone showing cover key in place and handset plug
Right hand side of telephone showing generator handle
Close up of generator with induction coil and switch hook mechanism located above
Close up of serial number
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Last revised: February 28, 2025FM2 |