Portable Telephone for use on Telegraph Lines.
This portable telephone for superimposing oil existing telegraph or block-signalling circuits, is ideal for railway linesmen's use.
It is of the vibratory call type and is equipped with micro-telephone, buzzer, Morse key, induction coil, condenser and line and earth reels with winding handle ; each reel having 6o feet of flexible cable for attaching to a line hook and earth clamp respectively. The battery compartment will take 4 cells each 6 inches high x 2.5 inches square.
11.5 x 16.5 x 8 inches.
N 1870 Weight does not include batteries.
|Code No.||Description||Weight lbs.|
|N1870||For outward calling only||19.75|
|N1870A||As N1870 but buzzer fitted internally||19.75|
|N1870B||For both-way calling||19.75|
NOTE - The Morsiphone can also be supplied as a wall set.
We supply accessories such as insulated rods for making contact with overhead line wires.
Taken from the Ericsson Telephone Catalogue, edition No. 26 Supplement 1932
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