Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry (1921)
Wright, Roydon Vincent, 1876- ed, Little, John G., joint ed, Augur, Robert C., joint ed · New York, N.Y., Simmons-Boardman Publishing Co · leaf 610
t is free to swivel when used for long poles, butcan be held rigid by pins when used for ties. Where bothties and long poles are treated such a double-purpose carhas obvious advantages. CharcoEil Cars. The old method of producing char-coal was to make a pile of wood and cover it with earth,leaving… … Fig. 36—Creosoting Car for Long Poles closed and the pile allowed to cool slowly. By thismethod all volatile constituents were allowed to escapeand only a small amount of tar was recovered.The wood, in the method now largely followed, is placed in a car and pushed into a closed retort where the…
Hoisting machinery · Conveying machinery
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