1930 Rock Products Cement and Engineering News Magazine Cordeau Bickford TI6

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1930 Rock Products Cement and Engineering News Magazine Cordeau Bickford TI6


One of the World's Largest and Most Remarkable Gravel Plants.
41-48
Van Sciver operation of the Warner Co., Tullstown, Penn.
One Man's Development of Limestone Products...
49-58
The Lebanon Valley of Pennsylvania, the scene of a group of operations of H. E. Millard.
Overcoming Heat Losses in Cement Manufacture..59-67
Recent research work on cement kiln design with special reference to dust, spray or flotation kilns. By Geoffrey Martin,
Slugger-Roll
Crusher for
Primary Breaker
Hard Rock
of
_68-69
Keystone Portland Cement Co., Bath, Penn., said to have largest in world.
Gypsum and Gypsum Products Manufacture..
Raw gypsum, composition,
..70-73
ties;
properties, impuri-
decomposition: calcined gYpsum;
proc-
esses; control; products.
By S. G. McAnally.
Calcination or Enrichment of Phosphate Rock..
By C. G. Memminger, W. H. Waggaman and
W. F. Whitney.
Raw Mix Control in the Manufacture