|Introduced in 1956, this set is the GEC 1000
set. These telephones were fitted with a new induction coil and rocking armature
receiver which allowed them to be used on 1000 ohm exchange lines.
The TEL/17T/ATS was used by British Railways, Telephone Rentals and the Reliance Telephone Co.
Above we have an Ivory coloured model and yes - the handset was
TEL/17T/ATS in red
Last revised: October 14, 2022