 By a Portland cement is meant the product obtained from the heating or calcining up to incipient fusion of intimate mixtures, either natural or artificial, of argillaceous with calcareous substances, the calcined product to contain at least 1.7 times...  Congressional Serial Set - Page 221904Full view - About this book
 | William A. Radford, Alfred Sidney Johnson - Architecture - 1909 - 470 pages
...fusion, of intimate mixtures, either natural or artificial, of argillaceous with calcareous substances, the calcined product to contain at least 1.7 times...substitutions, for the purpose only of regulating certain properties of technical importance, to be allowable to not exceeding 2 per cent of the calcined product."... | |
 | United States. Congress. Senate. District of Columbia - 1909 - 514 pages
...fusion of intimate mixtures, either natural or artificial, of argillaceous with calcareous substance-', the calcined product to contain at least 1.7 times...or substitutions for the purpose only of regulating certar properties of technical importance to be allowable to not exceed"1;.' two (2) per cent of the... | |
 | William A. Radford, Alfred Sidney Johnson - Architecture - 1909 - 474 pages
...artificial, of argillaceous with calcareous substances, the calcined product to contain at least 1.7 times^as much of lime, by weight, as of the materials which...substitutions, for the purpose only of regulating certain properties of technical importance, to be allowable to not exceeding 2 per cent of the calcined product."... | |
 | International Correspondence Schools - Building - 1909 - 750 pages
...fusion of intimate mixtures, either natural or artificial, of argillaceous with calcareous substances, the calcined product to contain at least 1.7 times...properties, and to be finely pulverized after said calcinations, etc." 15. Natural cement is generally made by directly heating a natural cement rock... | |
 | Lester Dennison Williams - 1909 - 124 pages
...fusion of intimate mixtures, either natural or artificial, of argillaceous v/ith calcareous substance«, the calcined product to contain at least 1.7 times as much of lime, by weight, as of the material which gives the lime its hydraulic properties, and to be finely pulverized after said calcination,... | |
 | Geology - 1913 - 326 pages
...fusion of intimate mixtures, either natural or artificial, of argillaceous with calcareous substances, the calcined product to contain at least 1.7 times...substitutions for the purpose only of regulating certain properties of technical importance to be allowable to not exceeding 2 per cent. of the calcined product."... | |
 | Charles Baskerville - Chemistry - 1910 - 536 pages
...fusion of intimate mixtures, either natural or artificial, of argillaceous with calcareous substances, the calcined product to contain at least 1.7 times...weight as of the materials which give the lime its bydraulic properties, and to be finely pulverized after said calcination, and thereafter additions... | |
 | United States. Congress. House. Committee on Appropriations - Panama Canal (Panama) - 1910 - 544 pages
...fusion of intimate mixtures, either natural or artificial, or argillaceous with calcareous substances, the calcined product to contain at least 1.7 times as much of lime, by weight as of the material which gives the lime its hydraulic properties, and to be finely pulverized after said calcination,... | |
 | Massachusetts Institute of Technology - Industrial efficiency - 1911 - 506 pages
...argillaceous with calcareous substances, the calcined product to contain at least one and seven-tenths times as much of lime, by weight, as of the materials...substitutions for the purpose only of regulating certain properties of technical importance to be allowable to not exceeding two per cent of the calcined product.... | |
 | Charles Baskerville - Chemistry, Technical - 1911 - 558 pages
...fusion of intimate mixtures, cither natural or artificial, of argillaceous with calcareous substances, the calcined product to contain at least 1.7 times as much of time by weight as of the materials which give the lime its hydraulic properties, and to be finely pulverized... | |
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