Pauls  L.M. Ericsson Model OB100/6
1915 "Wall Switchboard" model OB100/6 (N584)

OB100 Switchboard

Polished walnut and the front face is covered with fibre.
To be used in conjunction with any ordinary telephone instrument.
THE CONNECTIONS ARE MADE BY MEANS OF PLUGS AND CORDS.

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catalog
OB100/10 10 line picture from 1914 Ericsson catalog
measurments in  inches and pounds

TYPE OLD TYPE No. # Earth Circuits # cord ccts Height Width Depth Weight
OB 100/6 469 6 2 10.23 9.25 5.90 7.93

more info

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