Earl wrote:


The object on the right is 4.5" long x 0.75" high. The cross-section is
shown in the inset. It's by Brown and Sharpe, part number 530 (Googling
drew a blank). The point is very sharp and was protected with a cool
little crocheted bootie.

Part of a bevel protractor?
they sometimes have "legs" in different lengths

like:
http://roseantiquetools.com/sitebuil...starrett45.jpg

Hans

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