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Automatic Call Box Combined magneto wall telephone and automatic call-box AB 6500 (Old Catalogue No. 443) Micro-telephone, RE 4050 (No. 530) with cord RS 6500 (No. 2061) suspended on switch-hook. Generator, RH 4700, 4-magnet, which will ring satisfactorily through the ringer and a line resistance of 25000 ohms. Ringer, The resistance of the coils is 300 ohms. 2 press buttons are provided. Cash box fitted below the battery box. Its volume is about 0.8 cubic decimetres. This telephone is fitted with a paper clip and enclosed line terminals and is suitable for coins which have a diameter of not more than 22mm. With this telephone, the exchange cannot be called until the coin has been put in the slot. If the number required is engaged, the calling subscriber must press the button on the left hand side of the telephone, when the coin will be restored to him. If the operator informs the subscriber that the number asked for is free, the button on the right hand side must be pressed, which allows the coin to drop into the cash box. In falling the coin will strike on to a spring which is thus made to vibrate, & this informs the operator that payment has been made. Dimensions: Weight: 10,8 kg.
In the 1905, 1911 and 1912 Ericsson Telephone Catalogues |
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Last revised: March 28, 2024FM2 |
Framework polished walnut, constructed to hold 2 cells RK 220 (Old Cat.
No.595).