British standard or Whitworth

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frederick
Posts: 51
Joined: Mon Oct 01, 2018 8:05 pm
Location: san jose

British standard or Whitworth

Post by frederick » Sun Dec 22, 2019 11:29 pm

could even be metric...a mystery.

seasons greetings

https://www.youtube.com/watch?v=1SE0t2cS65A

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