FRAMEWORK, polished teak.

TRANSMITTER. RC 122, on fixed bracket, RC 502.

RECEIVERS. Two watch receivers RD 340 (Old No. 550), with two cords RS 4010 (Old No. 2094), one suspended on a hook-switch, the other on a hook.

RINGER. 40 ohms resistance.

RELAY AND PRESS-BUTTON.

The line terminals are enclosed.

The relay is fitted on the circuit and when currents received over a long distance line are sufficient to operate the armature of this relay, which closes the bell circuit, thus ensuring a good ring on all lengths of line up to the maximum.

Overall dimensions
Height 14.50 inches
Width 9.50
Depth 7.25

Weight 8.0 lbs.