Portable Engine Small 320×165 Medium 640×330 Large 1024×528 Download TIFF Original 2400×1238 | (843.3 KB) Description "A portable engine and feed grinder that saves frequent trips to the Grist Mill."—The Federal Digest, 1921 Keywords agriculture, animal, engine, farm, feed, feed grinder, food, machine, portable engine Galleries Agricultural Machines, Gristmills Source: The Federal Digest Farm Economy (Minneapolis, MN: Better Farming Association, 1921)
