An edition of The new mill of the L.C. Porter Milling Co., Winona, Minnesota, U.S.A. The "model mill" of the present day (1880)

The new mill of the L.C. Porter Milling Co., Winona, Minnesota, U.S.A. The "model mill" of the present day

built on the Odell system by the Stilwel & Bierce M'f'g. Co., Dayton, Ohio, U.S.A.

By Minn.) Porter (L.C.) Milling Co. (Winona