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L.T.S. Operating school. Clerkenwell exchange. Classroom lesson.
L.T.S. Operating school. Clerkenwell exchange. Classroom lesson (2)
L.T.S. Operating school. Clerkenwell exchange. Switcboard instruction.
Exchange (speaking clock)
Young female operator referring to a directory at a display of international directories in Faraday International Exchange, London
Dr T H (Tommy) Flowers and some of his Dollis Hill wartime team responsible for Colossus,
Bristol Head Post Office Telephone Exchange, Female Operators [On Armistice Day]
Front cover from an Information booklet about the telephone
The Edison Telephone Company of London Limited, 1880
Advertisement for Samuel Heath & Sons Ltd Birmingham using NTCo PBX.
Advertisement for The Bon March, Liverpool. Shopping by Telephone.
Advertisement for Coopers Stores, Glasgow. Use your telephone, or use ours
Advertisement for Coopers Liverpool. Listen!
Advertisement for MacSymons Stores. Kindly Note New Telephone Service.
National Telephone Co advertisement. A Word to the Businessman
Advertising card Knowledge is Power
Advertising card Use the Bell
Advertisement for Plummer Roddis, Hastings. Shopping by Telephone.
Advertising card Over a Hundred Solicitors
The Telephone Company advertising leaflet The Private Branch Exchange
L.T.S. Victoria (London) Telephone Exchange Switchroom showing emergency numbers.
L.T.S. Telephone Call. Calling Sub (female seated at desk, using telephone no. 150 candlestick).
L.P.S. Boy Messengers in Class.
L.T.S. Telephone call. Underground cable
L.T.S. Telephone call. Cable ducts entering manhole.
L.T.S. Telephone call. Cables arriving at distribution frame.
L.T.S. Telephone call. Cables leaving exchange (cable chamber)
E-in-C. Underground Cables. Jointers at Work
L.T.S. Small Exchange. One operator.
L.T.S. CB1 exchange switchboard. Operators at A (subscribers) positions.
Cut-away drawing of Mobile UAX 12 telephone exchange (MAX 12)
Laboratory scene. Electronic equipment connected to master clock
New Inventions. The Gower Telephone
New Inventions: W.H. Preece
GPO factory staff refurbishing small floor-standing PBX switchboards (5+20 and 10+30)
Pneumatic perforators (tape factory) using Wheatstone perfs.
Pneumatic perforators. Using Wheatstone perfs. (Tape Factory)
Rugby Radio Station with aerial mast.
Radio station building with aerial masts
Telegraph operating room (ticker-tape)
Male (back to camera) at equipment desk
Female taking service observations at Monitors desk (CB manual exchange)
Female wearing headset at meter racks giving readings
Operator training school, practice positions
Operator training school, classroom instruction
Phonogram operators taking down telegrams at typewriters.
Female telegraphist at teleprinter position
Central Telegraph Office Phonogram operators
Male technicians (2) work on racks of Strowger two-motion selectors.
GPO Continental Exchange (Faraday Building) showing female operators at positions for Prague, Budapest, Vienna, etc.
Technician working at Directors in a Strowger exchange.
Greetings telegram designed by Marjory Saynor
Telegraph operating room (Morse sounders)
Telegraph operating room (Telautographs / Telewriters)
Telegram sorting / distribution positions
Seated female using hand microtelephone no. 162
LHS: seated male speaks into telephone, RHS standing male (in apron) listens to receive of wall-mounted telephone
Engraving. Item of telephone equipment with various parts having reference letters
Speaking clock. Close up of disc and cam mechanism
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