Don't laugh at my Whites Coinmaster 5000/D also in my attached photo, I think it dates from the World War II era !
The Coinmaster was given to me for free, so I will use it as a benchmark for sensitivity testing with the P.I. projects from the book that I intend to build.
JoMo
P.S. cannot attach the photo > it is here: https://ibb.co/3zFZfjw
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