SWITCHBOARD FOR MAGNETO OR BATTERY RINGING
TELEPHONE SWITCHBOARDS (PMBX)
These switchboards are supplied for use in Public Buildings, Hotels, Flats, etc.
All cabinet work is of well-seasoned walnut. Similar to K8335 but the line indicators are enclosed on this model. There is a glass front and side mechanical replacement.
Annunciator switchboard, without operator's instrument or combined ringing and listening keys attached, but equipped with line indicator K 8400, line jacks K 8405, through cords K 8473, operator's cord K 8474, double line plugs K 8423, and 3-inch circular bell and switch.
In 1916 it was available in 2, 3, 4, 5, 6, 8, 10, 12, 15, 18 and 20 line
Taken from the 1916 catalogue
Last revised: February 05, 2011