No's AB 126, AB 127 & AB 128

AB 126, AB 127 & AB 128
For manual LB Systems
Magneto wall telephones

Catalogue Number Generator Number of Magnets Bell Resistance Weight Kgs
AB 126 RH 3236 3 1000 4.2
AB 127 RH 4381 4 1000 4.7
AB 128 RH 5602 5 2000 5.3

When the handle of the generator is turned the bell is cut out. Two dry cells RK 210 are required for each telephone. A suitable battery case is RK 2300. In places where disturbing noise occurs and the speech as transmitted by the ordinary kind of microphone is not satisfactory, it is advisable to use AB 129 which is provided with a special laryngotelephone.

height 214 mm, width 166 mm. (202 mm for the AB 128)
The dimensions refer to the back plate of the telephone.

Taken from the L. M. Ericsson Telephones and Signalling Material Catalogue No. 188 (1934)

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Last revised: August 11, 2002