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The GEC Gecophone Model 75 was supplied to the Irish P&T as their Telephone No. 522 Type 100D. The base plate will be labelled 'P&T 100D Mark 522'. There may even be a manufacturers code and date e.g. C37, which is GEC / 1937. But, if the telephone went back to the workshop it may be retrofitted with a later Induction Coil, the GEC 53269. The Handset is an Irish P&T Telephone No. 606. There were also Telephones No. 513, 515 and 520 of which the 513 and 520 had no dials fitted. The Telephones No. 513 and 515 were supplied without cords or terminal blocks. Diagrams (for 513, 515, 520 and 522) Click here for Gecophone diagrams Type - 100D Handset Number - 606 Induction, Coil Numbers - 42425 or 53269 Bell Number - Dial Number - Dial Auto No. 1 Drawing Numbers - TX1195 and TX2794 Drawing dates - 1937 and 1959 Manufacturer - GEC Notes -
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Last revised: March 01, 2026FM2 | ||||||||