 | Charles Shattuck Hill - 1909 - 200 стор.
...diameter, % in. thick at center, 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. (&) Another is kept in water maintained as near 70° F. as practicable. 17. These pats are observed... | |
 | Prévost Hubbard - 1910 - 440 стор.
...CONSTANCY OF VOLUME. Pats of neat cement about three inches in diameter, one-half inch thick at center, and tapering to a thin edge, shall be kept in moist...(a) A pat is then kept in air at normal temperature. (b) Another is kept in water maintained as near 70° F. as practicable. These pats are observed at... | |
 | American Society for Testing Materials - 1910 - 326 стор.
...CONSTANCY OF VOLUME. 15. Pats of neat cement about three inches in diameter, onehalf inch thick at center, tapering to a thin edge, shall be kept in moist air...(a) A pat is then kept in air at normal temperature. (b) Another is kept in water maintained as near 70° F. as practicable. 16. These pats are observed... | |
 | William A. Radford - 1910 - 392 стор.
...Constancy of Volume. Pats of neat cement about three 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. One pat shall then be kept in air at normal temperature, and observed at intervals for at... | |
 | John Christian Ostrup - 1910 - 120 стор.
...required. 305. Constancy of Volume. Pats of neat cement about 3 in. in diameter. .£ in. thick at 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... | |
 | International Correspondence Schools - 1910 - 734 стор.
...Constancy of Volume. — Pats of neat cement about 3 inches in diameter and -J- inch thick at the center and tapering to a thin edge shall be kept in moist air for a period of 24 hours. A pat is to be kept in air at normal temperature, and observed at intervals for a period... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - 1910 - 336 стор.
...Constancy of Volume.* Pats of neat 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) 4 pat is then kept in air at normal temperature. (b) Another pat is kept in water maintained... | |
 | John Christian Ostrup - 1910 - 120 стор.
...diameter, £-in. thick at center, 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°, F. as practicable. (c) These pats are observed... | |
 | Richard Kidder Meade - 1911 - 568 стор.
...Specification. — Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist...observed at intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70° F. as practicable, and observed at intervals for at least... | |
 | John Pascal Brooks - 1911 - 240 стор.
...of Volume. Pats of neat cement about three inches in diameter, one-half incli thick at the center, and tapering to a thin edge, shall be kept in moist...observed at intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70° F. as practicable, and observed at intervals for at least... | |
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Pats of neat cement about three 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 twenty-four hours. 
