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Close up view of an "industrial-style" grain grinder. This is a large "hour-glass-shaped" grinder which fits over a stationary cone. Grain was placed in the top of it, the top was turned, and the ground grain (flour) came out the bottom. The basalt rock, from which the grinder is made, is the dominant stone in the region of Capernaum.
For another image of grinders at Capernaum Click Here.
This image courtesy of Jerry Hawkes.
For a map and a brief description of Capernaum Click Here.