Specially suitable for temporary stations or for testing lines.
A high-class polished hardwood case with carrying handle, containing:-
5-magnet generator, 2000 ohm magneto ringer, press button for short circuiting the receiver, micro-telephone with waterproof cord, 2 dry cells, clip for generator handle when not in use, and connecting terminals.
Micro-telephone cord N4027
Dry cell N3754
Overall dimensions 8.25 x 12 x 6.75 inches
Weight 17.5 lb.
We can supply a very similar set for use on high tension systems. With 3-magnet generator, 2000 ohm ringer, rare-gas arresters and Bakelite micro-telephone.
Taken from the Ericsson Telephone Catalogue, edition No. 26, 1935 Supplement
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