"In the Cairo museum and in other museums around the world there are examples of stone ware that were found in and around the step pyramid at Saqqarra. Petrie also found pieces of similar stoneware at Giza. There are several special things about these bowls, vases and plates.

They show the unmistakable tool marks of a lathe manufactured item. This can easily be seen in the center of the open bowls or plates where the angle of the cut changes rapidly - leaving a clean, narrow and perfectly circular line made by the tip of the cutting tool.

These bowls and stone dishes/platters are some of the finest ever found, and they are from the earliest period of ancient Egyptian civilization:
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What would these lathes have looked like?