To grind corn, the power of the mill's water wheel is transferred to the millstone through a series of six gears. One is a bevel gear that changes the direction of rotation from horizontal to vertical. The others are smaller gears to turn the millstone faster so that one rotation of the water wheel equals 35 rotations of the millstone.
When water hits the overshot wheel at full surge, Cable Mill can produce three bushels (150 pounds) of meal per hour.
The corn falls between the grooved millstones and is sheared into meal as the top millstone rotates above the stationary bottom stone. By turning a threaded metal rod, the miller can raise or lower the top millstone by a few thousandths of an inch, customizing the grind from coarse cracked corn to fine, floury meal.
Fresh ground corn meal can be purchased at the park store located adjacent to the mill.


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