Description (Catalog Card) : Grindstone Roughly triangular with rounded edges. Slight hollow at one end. [drawing] 1:1
Description (Catalog Card) : Grindstone (Whetstone) Hole perforated through top. Part of copper wire from which grindstone was suspended remains in position in the hole. Part of top missing. Rounded in section. Common type.
Description (Catalog Card) : (A) Upper quern-stone. dark grey larve. Set in a round-topped lump of bitumen which served as a handle; (B) A lower saddle quern-stone of dark lava.