History of the Portland cement industry in the United States. (1900)
United Building Material Company · American Cement Co. · leaf 44
PORTLAND CKMIvNT INDUSTRY. 43 BALTIMORK & OHIO RAILROAD CO. Office of Chief Engineer.Mr. R. W. Lesley, Baltimore, August 9, 1888. Secretary and Treasurer of American Improved Cement Co, : DEAR Sir :—I beg to acknowledge the receipt of your letter of August 7th. The Improved Union Cement and… … Baltimore & Ohio Railroad-Grays Ferry Bridge, Philadelphia.H. T. Douglass, Chief Engineer. Drake. Stratton & Co., Contractors. Built with Giant and Improved Union and Alsen Cements.—1886-87. JAMES J. RYAN, Contractor, 1126 North Fortieth Street. Philadelphia, March 14, 1887. American…
Portland cement · Concrete · Common work results for concrete · Commissioning of concrete · Schedules for concrete forming and accessories · Concrete curing · Concrete forming · Cast-in-place concrete · Structural concrete · Heavyweight structural concrete · Material testing · Existing material assessment · Existing concrete assessment
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