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> Used
> Starrett registering speed indicator pat. 1896 /R85
Starrett registering speed indicator pat. 1896 /R85
The large dial is graduated into one hundred lines, each one representing a revolution of the spindle. The small dial has fifty lines cut upon its face, each representing one hundred revolution of the spindle (or one complete turn of the large dial).
A handy tool - one is good two are better!
Please see photo below for more details
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