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MECHANICAL HAND HELD TACHOMETER

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Posted 4 years ago

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TRIKER
(13 items)

Hand held tach. Made by L.S. Starrett. Patent dates are Apr 13 1897 and Mar 28 1905. It works by holding a triangular pointed end (left side in pic.) to the center of a rotating object. Then time for 1 minute and add up the nembers on the dials. Gives you RPM. I've had it for about 7 or 8 years sitting on a shelf above my desk collecting dust. Got it from a friend.

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