TELEPHONE No. 64

C.B. telephone that consists of a fixed transmitter a bell receiver and switch hook, all mounted on an adjustable arm.

These were originally NTC telephones called the "Adjustaphone C.B." and renamed by the GPO as the "Instruments, Subscribers, Table, N.T. No. 18" and then renamed around 1912 as the Telephone No. 64.

The adjustable arm was called a Brackets, Telephone No. 3 which could be fitted with two types of adaptors.

This telephone has no active transmission components and because of this a Bellset No. 1 is required.

The metal casing was used as part of the electrical circuit.

They were manufactured by Western Electric.  The NTC tested the WE Adjustaphone, in 1906, and concluded that the receivers were acceptable, but could not recommend the transmitters as these were inferior to the standard transmitters.  It is probable that these were then fitted with Solid Back Transmitters.

In 1916 it was advised that there was no superseding item available.

Found in the 1906, 1910, 1911, 1912, 1913. 1914 and 1915 Rate Books but not in the 1928 Rate Book.

Telephone Includes (1906, 1911, 1912, 1913 and 1914):-
1 x Adjustable Support.
1 x Transmitter Siemens Brothers, C.B. (1906) or Transmitter No. 1 (1911 onwards).
1 x Bell, Receiver B, C or D (1910) or Receiver, Bell No. 1 (1911 onwards).
1 x Cord, Flexible No. 114.
1 x Cord, Flexible No. 222.
1 x Cord, Flexible No. 318.
1 x Cord, Connection Strip, 4-Terminal.
1 x Label No. 43.

Brackets, Telephone No's 3, 4 or 5 to be requisitioned seperatly.

Introduced circa 1900.

Circuit diagram - N164 (Dated 1917).

Pictures dated 1905

Last revised: November 16, 2025