Monday, April 13, 2026

Starrett micrometer patent


 Patent 433, 311 Datamp notes it was not known to be produced.

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1 comment:

  1. AnonymousApril 14, 2026 at 12:32 PM

    I was using an imperial one just the other day - finding out what gauge of strings are fitted to a guitar I'd bought. D.

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