 Pats of neat cement about 3 inches in diameter, \ inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of 24 hours. " (a) A pat is then kept in air at normal temperature and observed at intervals for at least...  Bulletin - Sayfa 191949Tam görünüm - Bu kitap hakkında
 | Geological Survey of New South Wales - 1916 - 1286 sayfa
...— Pats of neat cement, 3 inches in diameter, J inch thick at centre, tapering to a thin edge, shall be kept in moist air for a period of 24 hours. (a) A pat is then kept in air at normal temperature. (6) Another is kept in water maintained as near 70°... | |
 | 1905 - 612 sayfa
...of neat cement about 3 in. diameter, 1/2 in- thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of 24 hours ; (a) a pat is then kept in air at normal temperature and observed at intervals for at least 28 days; (6)... | |
 | W. Purves Taylor - 1905 - 344 sayfa
...center and tapering to thin edges, and a ball of the same material about 1} ins. in diameter, shall be kept in moist air for a period of 24 hours. (a) A pat is then kept in air at normal temperature, and observed at intervals for at least 28 days. (b)... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - 1905 - 638 sayfa
...cement about 3 inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of 24 hours. (a) A pat is then kept in air at normal temperature. (6) Another pat is kept in water maintained as near... | |
 | American Society of Civil Engineers - 1907 - 1160 sayfa
...of neat cement about 3 in. in diameter, i in. thick at the center and tapering to a thin edge, shall be kept in moist air for a period of 24 hours. (a) — A pat is then kept in air at normal temperature and observed at intervals for at least 28 days.... | |
 | 1908 - 876 sayfa
...one-half inch thick at center, tapering to a thin edge, shall be kept in moist air for a period of 2-1 hours. A pat is kept in air at normal temperature...least 28 days. Another pat is kept in water maintained us near 70° K. as practicable and observed at intervals for at least 28 days. A third pal is exposed... | |
 | Geological Survey (U.S.) - 1908 - 154 sayfa
...of neat cement 3 inches in diameter, one-half inch thick at center, tapering to a thin edge, shall be kept in moist air for a period of 24 hours. A pat is kept in air at normal temperature and observed at intervals for at least 28 days. Another pat is kept in water maintained as near 70° F.... | |
 | Richard Lewis Humphrey - 1908 - 164 sayfa
...of neat cement 3 inches in diameter, one-half inch thick at center, tapering to a thin edge, shall be kept in moist air for a period of 24 hours. A pat is kept in air at normal temperature and observed at intervals for at least 28 days. Another pat is kept in water maintained as near 70° F.... | |
 | W. Purves Taylor - 1908 - 348 sayfa
...center and tapering to thin edges, and a ball of the same material about i^ ins. in diameter, shall be kept in moist air for a period of 24 hours. (a) A pat is then kept in air at normal temperature, and obseryed at intervals for at least 28 days. (b)... | |
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