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Title: Stone Age Grinding Stone
Caption: Primitive corn-mill. Neolithic and Upper Paleolithic people used millstones to grind grains, nuts, rhizomes and other vegetable food products for consumption. These implements are often called grinding stones. They used either saddle stones or rotary querns turned by hand.Image taken from Primitive Man by Louis Figuier, 1870 (cropped and cleaned).
Credit: Album / Science Source
Image size: 5400 × 3190 px | 49.3 MB
Print size: 45.7 × 27.0 cm | 2126.0 × 1255.9 in (300 dpi)