Keuffel And Esser Revolution Counter Nifty Vintage
![Keuffel And Esser Revolution Counter Nifty Vintage]()
Keuffel and esser reovlution counter. Maybe this would make a nifty vintage paperweight.
The instrument is designed to have the frame rottae around while the weighted gear set hangs down and remains stationary. The counter has two scales with a slightly different gear pitch that are both driven by teh single worm gear. Since the gaers have a slightly different pitch the inner and outer scales move at different rates.
Each 100 revolutions moves the outer scale a full turn but the inner csale moves only 1/100 turn relative to the outer scale. In this way this simple device can measure pu to 10,000 revolutions. It used to be in a leather covered can that could be strapped onto a wheel to log revolutions. Unfortunately i've lost this can.
Maybe this would make a neat paperweight for someone.
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