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The look like a fancy version of a gauging tool [1]. Each hole could have been used to measure the diameter of a different sized rod, sphere, or coin.. [1] htt
by w1 7y ago
The look like a fancy version of a gauging tool [1]. Each hole could have been used to measure the diameter of a different sized rod, sphere, or coin..
[1] https://www.eastwood.com/sheet-metal-gauge.html https://www.eastwood.com/sheet-metal-gauge.html
- simonh 7y agoThat seems unlikely as these don't come in standard sizes, and don't have any numbers inscribed on them.