 | New Jersey Geological Survey - Geological surveys - 1904 - 708 pages
...same temperature as an alloy composed of one part of platinum and nine parts of gold, or at 1100° C. (2012 F.). Cone No. 20 melts at the highest temperature...mixtures by adding both boracic acid and lead in proper proportions to the cones. The result is that there is now a series of 58 numbers, the fusion point... | |
 | New Jersey Geological Survey, New Jersey. State Geologist - Geological surveys - 1904 - 710 pages
...alloy composed of one part of platinum and nine parts of gold, or at 1100° C. (2012° F.). Cone Xo. 20 melts at the highest temperature obtained in a...mixtures 'by adding both boracic acid and lead in proper proportions to the cones. The result is that there is now a series of 58 numbers, the fusion point... | |
 | Virginia. Division of Mineral Resources - Geology - 1905 - 682 pages
...furnace, or at 1530°C. (2786°F.). The difference betwen any two successive numbers is 20°C. (36°F.), and the upper member of the series is cone 36, which...mixtures by adding both boracic acid and lead in proper proportions to the cones. The result is that there is now a series of 58 numbers, the fusion point... | |
 | Heinrich Ries - Clay - 1906 - 538 pages
...two successive numbers is 20° C. (36° F.), and the upper 'member of the series is cone 39. Cone 36 is composed of a very refractory clay slate, while...mixtures by adding both boracic acid and lead in proper proportions to the cones. The result is that there is now a series of 61 numbers, the fusion-point... | |
 | Wisconsin Geological and Natural History Survey - Clay - 1906 - 358 pages
...cone 35 ia composed of kaolin from Zettlitz. Cramer of Berlin, made a series below No. 1 by mixing boracic acid with the materials already mentioned....mixtures by adding both boracic acid and lead in proper proportions to the cones. The result is that there is now a series of 58 numbers, the fusion point... | |
 | Wisconsin Geological and Natural History Survey - Clay - 1906 - 364 pages
...cone 35 is composed of kaolin from Zettlitz. Cramer of Berlin, made a series below No. 1 by mixing boracic acid with the materials already mentioned....mixtures by adding both boracic acid and lead in proper proportions to the cones. The result is that there is now a series of 58 numbers, the fusion point... | |
 | Wisconsin Geological and Natural History Survey - Clay - 1906 - 358 pages
...cone 35 is composed of kaolin from Zettlitz. Cramer of Berlin, made a series below No. 1 by mixing boracic acid with the materials already mentioned....mixtures by adding both boracic acid and lead in proper proportions to the cones. The result is that there is now a series of 58 numbers, the fusion point... | |
 | Heinrich Ries, F. L. Gallup - Clay - 1906 - 354 pages
...cone 35 is composed of kaolin from Zettlitz. Cramer of Berlin, made a series below No. 1 by mixing boracic acid with the materials already mentioned....mixtures by adding both boracic acid and lead in proper proportions to the cones. The result is that there is now a series of 58 numbers, the fusion point... | |
 | HEINRICH. RIES - Clay - 1908 - 612 pages
...two successive numbers is 20° C. (36° F.), and the upper^member of the series is cone 39. Cone 36 is composed of a very refractory clay slate, while...numbers was produced by Cramer, of Berlin, who mixed boraeic acid with the materials already mentioned. Hecht obtained still more fusible mixtures by adding... | |
 | John Johnston O'Neill - Petrology - 1914 - 392 pages
...two successive numbers is 20° C. (36° F.), and the upper member of the series is cone 39. Cone 30 is composed of a very refractory clay slate, while...mixtures by adding both boracic acid and lead in proper proportions to the cones. The result is that there is now a series of 61 numbers, the fusionpoint of... | |
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F.). and the upper member of the series is cone 36, which is composed of a very refractory clay slate, while cone 35 is composed of kaolin from Zettlitz, Bohemia. A lower series of numbers was produced by Cramer, of Berlin, who mixed boracic acid with... 
