Measure the thread pitch, It looks as though there is one complete turn of the cylinder per grain, My Ohaus 5.0.5 which is clearly much older has separate counter weights for grains and tenths. A more bullet proof solution.
GPM.
Measure the thread pitch, It looks as though there is one complete turn of the cylinder per grain, My Ohaus 5.0.5 which is clearly much older has separate counter weights for grains and tenths. A more bullet proof solution.
GPM.
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