Mechanical handling of material and its national importance during and after the war, by George Frederick Zimmer ... With 134 illustrations and 10 collotype plates. Reprinted from "Cassier's engineering monthly," March to December, 1916.
Mechanical handling of material and its national importance during and after the war, by George Frederick Zimmer ... With 134 illustrations and 10 collotype plates. Reprinted from "Cassier's engineering monthly," March to December, 1916.