A crash course in using GPO telephones in the modern world

I recently wrote this page which I wish existed somewhere on the internet after I recently bought a couple of vintage telephones.

2 thoughts on “A crash course in using GPO telephones in the modern world

  1. Hello Matt,
    I’ve not been a successful do-it-yourself kind of guy most of my life, so I don’t think I want to get involved in a project.
    However, I wonder if you have any already-converted phones for sale?

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