Parts:dial RG 112, dial cord RS 5062, condenser RI 260, 1 uF, microtelephone RE 4037 of black bakelite with removable capsule transmitter RC 4000/200, 200 ohm, and cord RS 5080, buzzer 2000 ohm, case of black enamelled sheet iron.
DE 250
Automatic wall telephone
Small model with buzzer instead of bell
Parts:
dial RG 112,
dial cord RS 5062, condenser RI 260, 1 uF, microtelephone RE 4037 of black bakelite with removable capsule transmitter RC 4000/200, 200 ohm, and cord RS 5080, buzzer 2000 ohm, case of black enamelled
sheet iron.
Dimensions:
height 160 mm, width 115 mm, weight 1.9 kg. 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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