Morrell, R. S. (Robert Selby), 1867-1946, Waele, A. de (Armand), 1887- · New York : D. Van Nostrand · leaf 67
DRYING OILS 51 have been added to bring up the weight of the seed, and then pass by an endless band conve3^or to the crushing mills. Seed Crushing. — This operation is performed by a crash- ing mill which consists of 5 rolls, 16 inches in diameter and 42 inches long, stacked vertically, and are… … FiG. 8. — Anglo-American Rolls. (Rose, Down and Thompson, Ltd., Hull.) face. As usual they are ground very true and are forced on to their shafts by hydraulic pressure, and thereafter ke3^ed at both ends. The lowest roll is driven at both ends and is provided with two additional pulleys, from which…
Gums and resins · Rubber · Linoleum · Paint · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
