 ... mixture, varying from one extreme, where a natural rock of absolutely correct composition was used, to the other extreme, where two or more materials, in nearly equal amounts, are required. The almost infinite number of raw materials which are theoretically...  Bulletin - Page 711906Full view - About this book
 | United States - 1904 - 1040 pages
...infinite number of raw materials which arc theoretically available are, however, reduced to a very few under existing commercial conditions. The necessity...would be considered available if chemical composition were the only thing to be taken into account. Some materials, otherwise suitable, are too scarce; some... | |
 | Geology - 1904 - 768 pages
...was used, to the other extreme, where two or more materials, in nearly equal amounts, are required. The almost infinite number of raw materials which...theoretically available are, however, reduced to a very few under existing commercial conditions. The necessity for making the mixture as cheaply as possible rules... | |
 | George Ferdinand Becker - Schistosity - 1904 - 732 pages
...was used, to the other extreme, where two or more materials, in nearly equal amounts, are required. The almost infinite number of raw materials which...theoretically available are, however, reduced to a very few under existing commercial conditions. The necessity for making the mixture as cheaply as possible rules... | |
 | Edwin Clarence Eckel - Cement - 1905 - 796 pages
...reduced to a very few in practice under existing commercial conditions. The necessity for producing the mixture as cheaply as possible rules out of consideration...account. Some materials otherwise suitable are too scarce and consequently too expensive for such use; some are too difficult to pulverize finely and bring into... | |
 | Geological Survey (U.S.) - Geology - 1905 - 462 pages
...infinite number of raw materials which are theoretically available are, however, reduced to a very few under existing commercial conditions. The necessity...would be considered available if chemical composition were the only thing to be taken into account. Some materials, otherwise suitable, are too scarce; some... | |
 | Edwin Clarence Eckel - Cement - 1905 - 800 pages
...or more materials in nearly equal amounts were required to produce a mixture of correct composition. The almost infinite number of raw materials which...existing commercial conditions. The necessity for producing the mixture as cheaply as possible rules out of consideration a large number of materials... | |
 | Geological Survey (U.S.) - Geology - 1905 - 644 pages
...was used, to the other extreme where two or more materials, in nearly equal amounts, are required. The almost infinite number of raw materials which...theoretically available are. however, reduced to a very few under existing commercial conditions. The necessity for making the mixture as cheaply as possible rules... | |
 | Samuel Franklin Emmons - Geology, Economic - 1905 - 648 pages
...was used, to the other extreme where two or more materials, in nearly equal amounts, are required. The almost infinite number of raw materials which...theoretically available are, however, reduced to a very few under existing commercial conditions. The necessity for making the mixture as cheaply as possible rules... | |
 | Heinrich Ries - Clay - 1906 - 690 pages
...two or more materials in nearly equal amounts are required to make a mixture of correct composition. The almost infinite number of raw materials which...available if chemical composition was the only thing oTMscussions of the material and method of Portland cement manufacture art contained in Bulletin No.... | |
 | Geology - 1909 - 568 pages
...two or more materials in nearly equal amounts are required to make a mixture of correct composition. The almost infinite number of raw materials which...available if chemical composition was the only thing ^Discussions of the material and method of Portland cement manufacture are contained in Bulletin No.... | |
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