410 CEMENTS, LIMES, AND PLASTERS. 



Plant No. 10. Limestone and cement rock. 



Limestone Cement rock 



2 crushers 

 2 rotary driers 

 6 ball mills 

 6 tube mills 

 10 kilns 



Plant No. 11. Limestone and shale. 



Limestone Shale 



1 crusher 1 disintegrator 



1 rotary drier 1 rotary drier 



Plant No. 



2 kominuters 



2 Davidsen tube mills 



6 kilns, 60 feet 



Uses marl and clay in a dry process. 



Marl Clay 



1 rotary drier 1 rotary drier 



2 tube mills 



3 kilns 



List of references on dry-process plants and methods. The follow- 

 ing papers describe plants using the dry process or details connected 

 with that process. 



Haight, H. New works of the William Krause & Sons Cement Co., Martins 



Creek, Pa. Engineering Record, March 31, 1900. Cement Industry, 



pp. 107-116. 1900. 

 Humphrey, R. L. Plant of the Buckhorn Portland Cement Co. [W. Va.]. 



Engineering News, vol. 50, pp. 408-414. Nov. 5, 1903. 

 Lathbury, B. B., and Spackman, H. S. Portland Cement Co. of Utah [Salt 



Lake, Utah]. The Rotary Kiln, p. 127. 1902. 

 Lathbury, B. B., and Spackman, H. S. Rotary plant of the American Cement 



Co., Egypt, Pa. The Rotary Kiln, pp. 66-71. 1902. 

 Lathbury, B. B., and Spackman, H. S. Plant of the Lawrence Cement Co., 



Siegfried, Pa. Engineering Record, May 12, 1900. Cement Industry, 



pp. 117-131. 1900. The Rotary Kiln, pp. 96-109. 1902. 

 Lathbury, B. B., and Spackman, H. S. Alsen's American Portland Cement 



Works, West Camp, N. Y. The Rotary Kiln, pp. 52-65. 1902. 

 Lewis, F. H. The Vulcanite Portland Cement Company's Works, Vulcanite, 



N. J. Engineering Record, May 6, 1899. Cement Industry, pp. 96-106. 



1900. 

 Lewis, F. H. The Portland-cement plant of the Coplay Cement Co., Coplay, 



Pa. Engineering Record, Dec. 18, 1897. Cement Industry, pp. 20-32. 



1900. 

 Lewis, F. H. Mechanical equipment of a modern Portland-cement plant. 



Mineral Industry, vol. 11, pp. 88-119. 1903. 



