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General information
- this page is a stub
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700-series equipment on this website
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Below is a non-exhaustive overview of the various models in the GPO 700-series.
For a more complete overview with photographs and detailed descriptions of each
model, please refer to
Bob Freshwater's excellent website
[1].
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700 Tabletop telephone with 700-circuit in 300-case (field trial) 702 Tabletop flame-proof version with intrinsically safe handset 703 Wallmount version of 702 704A Lineman's telephone with green plastic case 706/1 Standard tabletop telephone with dial and conventional wiring
(ivory, black, topaz, yellow, blue, grey, green, red) 706/2 Printed Circuit Board (PCB) instead of conventional wiring 706/2A Same as 706/2 with with extra supports for PCB and knock-outs removed 706R Same as 706, but with RECALL button (grey) 1/706 Temporary designator for 711 during field trial 708 Tabletop model with Lst No. 1 (grey)
710 Same as 706, but with provision for 4 buttons and 2 lamps 711 Wallmount version of 706 712 Temporary designator for 722 during field trial 712/2 Temporary designator for 722 during field trial 713 Pendant telephone (vertical handset) (grey) 714 Push-button Trimphone (never taken in production) 716 Tabletop model with Lst No. 1A 718 Tabletop model woth Amplifier No. 1450 and Control Unit No. 11A (grey) 722 Trimphone (grey, blue, green) 1/722 Trimphone (grey, blue, green) 1/722L Trimphone (grey, blue, green) 2/722A Trimphone with Dial No. 53 (field trial) (grey, blue, green) 2/722F Trimphone with Tone Ringer No. 8A (grey, blue, green) 723 Flameproof version with intrinsically safe handset (magneto) 724L Same as 706, but with push-button VF signalling 726F Same as 710, but with push-button DC signalling 726L Same as 726, but with ENQUIRY button (letters and figures on buttons) 1/726 Same as 726, but with bell loudness control 2/726F Same as 726F, but with Tele-Dictation push-button 3/726F Same as 726F, but with bell loudness control 4/726F Same as 726F, but with 6 push-buttons 728L Modified 710 with push-button VF signalling 730L Modified 710 with push-button loop-disconnect signalling 732L Tabletop model for Push Button Telephone System No. 1 735 Payphone with dial and coin collection box 736 Same as 706, but with covert fitted to base by a single screw
740 Successor to 710 (black, grey, ivory) 741/1 Successor to wallmount 711 (metal base) 741/2 Successor to wallmount 711 (plastic base) 745 Weather resistant phone with dial (weatherphone) (blue, grey) 745M Same as 745, but with metric conduit entry 746F Successor to 706 (green, red, ivory, black, blue, yellow) 746L Successor to 706 (green, red, ivory, black, blue, yellow) 746R Same as 746F, but with RECALL button (grey) 746S Used as standard in 746T field trial 746SR Same as 746S, but with RECALL button 746T Same as 746, but fitted with Telephone Unit D94244 (field trial)
755 Wallmount version of 746 with push-button pulse dialling 756 Tabletop version of 746 with push-button pulse dialling
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- N840, Telephone No. 740 circuit diagram
GPO, 18 February 1969 - 12 Actober 1972. Issue A (1 page). 1
- N4700, Auxiliary Units and Additional Parts for 700-type Telephones
GPO, 12 August 1963 - 15 May 1977. Issue C (4 pages). 1
- N848, Auxiliary units for Telephones, Nos. 710, 711, 740, 741 & 746
GPO, 21 January 1969 - 9 May 1977. Issue J (4 pages). 1
- Press-Buttons for Tel. No. 710, 711, 740, 741 & 746
GPO, 10 February 1969 - 28 July 1980. (2 pages). 1
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Document obtained via [1].
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© Crypto Museum. Created: Friday 06 August 2021. Last changed: Tuesday, 10 August 2021 - 11:17 CET.
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