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Books Bücher 1 - 7 von 7 in Sheets half an inch thick and 4 feet long may be bent, as noted in the description...
" Sheets half an inch thick and 4 feet long may be bent, as noted in the description of the Lawton quarry, at Norridgewock, page 151. Whether flexibility in this case was conditioned upon a slight loosening of the grains by chemical and physical change... "
Bulletin - United States Geological Survey - Seite 22
von Geological Survey (U.S.) - 1907
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Bulletin, Ausgaben 313-315

1907
...various particles give to it great cohesion and rigidity, yet in sheets of sufficient thinness and arail extent it is flexible. Sheets half an inch thick and...temperature of 0° F. and a summer temperature of 90° F., expanded 0.027792 inch, or 0.000004825 inch per inch for each degree. The Ordnance Department...
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The Granites of Maine

Thomas Nelson Dale, George Otis Smith - 1907 - 202 Seiten
...No. 4, pp. 361, 390. d Herrmann, O.', Steinbruchindustrie und Steinbruchgeologie, p. 43. Hampshire, show that specimens of granite, in a gaged length...temperature of 96° F., expanded 0.027792 inch, or 0.000004825 inch per inch for each degree. The Ordnance Department at the Watertown Arsenal c tested...
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The Green Schists and Associated Granites and Porphyries of Rhode Island

Benjamin Kendall Emerson, Joseph Hartshorn Perry - 1907 - 74 Seiten
...uncertain. Hardness. — As will be seen by reference to the tests for hardness described on page f>4, granites differ greatly in hardness. This difference...expansibility of granite has been variously tested. Bartlett b found that a piece of granite coping 5 feet long, under the effect of a winter temperature of 0°...
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The Chief Commercial Granites of Massachusetts, New Hampshire and Rhode Island

Thomas Nelson Dale - 1908 - 228 Seiten
...uncertain. Hardness. — As will be seen by reference to the tests for hardness described on page 66, granites differ greatly in hardness. This difference...expansibility of granite has been variously tested. Bartlettfc found that a piece of granite coping 5 feet long, under the effect of a winter temperature...
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The Chief Commercial Granites of Massachusetts

Thomas Nelson Dale - 1908 - 228 Seiten
...uncertain. Hardness. — As will be seen by reference to the tests for hardness described on page 66, granites differ greatly in hardness. This difference...expansibility of granite has been variously tested. Bartlett6 found that a piece of granite coping 5 feet long, under the effect of a winter temperature...
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The Explosibility of Coal Dust

George Samuel Rice, Joseph Christie Whitney Frazer, Axel Larsen, Frank Haas, Carl Scholz - 1910 - 186 Seiten
...(4) mineral composition. Tests for hardness show that granites differ greatly. As stated by Dale,'' "this difference, is due not merely to differences...to variations in the character of the feldspars." POROSITY. Fresh granite contains less than 1 per cent of water and is capable of absorbing a small...
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Congressional Serial Set

1907
...Flexibility. — Although granite contains a large amount of brittle material (estimated at from 30 to 60 per cent) and the interlocking of its various particles...0° F. and a summer temperature of 96° F., expanded 0.02775)2 inch, or 0.0000048-25 inch per inch for each degree. The Ordnance Department at the Watertown...
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