How to restore and fix a Trimphone
Checking to see if Spee.ch has your asset locally...
In this video Andy shows you how to strip down and check over a classic Trimphone, which were issued by the General Post Office and later British Telecom between the mid 1960s and 1980s.
BEWARE! There are a lot of modern trimphone replicas about, many of which are of very shoddy construction. If you want to buy a trimphone, my advice is always to get an original. ... https://www.youtube.com/watch?v=t2OektS3sqM