The Compact Telephone: Converting a 'Jubilee' phone and the differences between the 776 type
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In this video we take an in-depth look at the GPO Jubilee telephone of 1977. You will learn how to convert it for the modern plug & socket system, how to wire it if you don't have a bellset and you will learn about the crucial differences between the Jubilee and the later tele 776.
As always, if you have any questions about these telephones, please leave them in the comments and I'll do my best to get back to you. ... https://www.youtube.com/watch?v=N44Mu2nnpgE