Chicago : Engineering and Contracting Pub. Co. · leaf 612
be noted that the number of rainydays in any one month is liable to vary 50per cent either way. Types of Gates for Stone Bins. An important detail of a stone bin is thegate for the outflow of the contents of thebin. A great deal of attention is paid to bingates at mining and smelting plants and… … Fig. 4—An Arc Type of Chute Gate. Bottom View. Section Pig. 5—An Arc Type for Strength and Per-manence.
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
