Another
ill-fated attempt to give the Trimphone another lease of life came when some
bright spark had the idea of cladding the telephones in leather. The cases
discoloured rapidly from finger grease and other contaminations but this did not
deter the Post Office from including these unfortunate instruments in their
Special Range in 1980 under the Deltaphone name.
Made by STC, the Deltaphone was just a leather covered Trimphone, with a Plug No. 505. This plug was covered with a small sheaf, which was supposed to stop the plug being removed from the socket.
Manufacturer: STC
Variants:
SR 1006A DELTAPHONE with dial, mid-brown.
SR 1016A DELTAPHONE DELUXE with push button keypad. Red, green (see above).
SR 8006A As SR 1006A but with PST line cord.
SR 8016A As SR 1016A but with PST line cord.
More information on Telephones Special Range
Special Range Telephone Suffix's
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