SIEMENS BROTHERS No. 154

No. 154K

Weatherproof, in cast- iron case suitable for Traction Routes, Police Services, Ambulance Calls, etc.

Comprising anti-sidetone induction coil (ASTIC), 'Neophone' hand micro-telephone with interchangeable high-efficiency inset transmitter and hardwearing waterproof tough rubber sheathed cord. Includes 1600ohms polarised ringer with two 3" (76mm) diameter gongs, and hand generator fined with 'Alnico' magnet.

Complete with two dry or inert cells. Padlock is not included.

Height: 15.6" (397mm)
Width: 13.8" (352mm)
Depth: 12.75" (324mm)
Weight: 92lbs (41.3kg)

MAGNETO TELEPHONES

In comparison with earlier types of magneto telephones they are small and light, this being made possible by the use of a small but powerful generator embodying a magnet made of magnetic alloy, aluminium nickel-cobalt known as "Alnico".

NOTE:
These telephones con be modified for selective ringing by the addition of a key; providing single generator earth ringing facility as well as normal generator ringing, as used by Electricity Supply Authorities, etc., for sub-station communications.  Further particulars supplied on request.

Taken from the SIEMENS BROTHERS & CO. LIMITED catalogue No. 500/54

 

Last revised: October 08, 2025

FM2