This is what I got up to over the Easter break. It was a project that I bought as a box of bits for a few quid about 4 years ago because although I had no idea what it was (the listing didn't say), it looked interesting and I fancied the challenge. It turned out to be a Hamilton Intra-Matic Westminster which the previous owner had tried to "fix", got as far as dismantling, and given up on.  Cosmetically it was in good order but mechanically was not good. The rotor pinion had lost its bottom p