Brad93
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- Essex, United Kingdom
None I’m afraid. I’ve searched and searched. Hoped someone here would know.That is an unusual one. It is graduated in 1/16" and has a logarithmic scale (look what angle it turns through from 1 to 2 compared with from 9 to 10).
Does it have any Starrett number on it so we could look to see what it was might have been used for?