This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
A Walz set of roller mills. en depiction of three pairs of steel roller mills as used in Hungary's Pesth Walzenmhle circa Vienna International Exposition Report on Vienna Bread Ebon Norton Horsford member of the scientific commission of the United States Other fields Information field ucfirst location Washington Government Printing