STERLING PRIMAX SYSTEM OF AUTOMATIC
RADIAL SWITCH TYPE
By the adoption of our
Induced Cross Talk is reduced to a minimum
No. U 426
Automatic Interphone, Wall Pattern (Radial Switch Type), comprising: Standard pattern Hand Combination (No. U 575), Automatic Switch Cradle, Induction Coil, Call bell, Combined Ringing Key and Automatic Cut-in and Cut-out Device, "Perfecta" step-by-step Radial Line Selector.
Metal parts are Nickel-plated and Woodwork Solid Walnut, with Hinged backboard.
No. U 427
Table Telephone, comprising: same parts as No. U 426, but with Buzzer instead of bell and with the addition of Multiple Flexible Cord and Wall Rosette.
Available in 5, 10, 15 or 20 lines. (Over 20 line models made to order)
Taken from the Sterling Catalogue No. 11 & 12
|A - Z Index||