Inside Out Library · Explore

Scientific American, Vol. 69, No. 13 (1893) (1893)

leaf 4

An illustration from Scientific American, Vol. 69, No. 13 (1893), 1893, leaf 4
er done by a ma- chine, so as to reduce manual labor. Tentatives have Fig. 2 is a vertical cross section. End plates of the doubtless been made in this direction for a long time. frame support a trough at the bottom and a hopper We may mention especially a machine constructed in at the top, there… … Chicago. With thistruck one man can handle the also have sought a solution of the problem, but we cannot find that any have been successful. It was at heaviest roll of any kind of belting, or coils of hose or the Exposition of 1889 that the first machines of this rope, which can be reeled off or on…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 69, No. 13 (1893)

More like this