 | Geological Survey of New South Wales - 1916 - 1292 pages
...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° F. as practicable. These pats are observed at... | |
 | Charles Carroll Brown - Cement - 1905 - 440 pages
...of cement about three inches in diameter, one-half inch thick at the centre, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four...temperature and observed at intervals for at least 28 days.(b) Another pat is kept in water maintained as near 70 degrees F. as practicable, and observed... | |
 | Chemistry - 1905 - 814 pages
...VOLUME. (16) Pats of neat cement about 3 inches in diameter, i-inch thick at center, tapering to a thin edge, shall be kept in moist air for a period of twenty-four...(a) A pat is then kept in air at normal temperature. (6) Another is kept in water maintained as near 7o° F. as practicable. (17) These pats are observed... | |
 | W. Purves Taylor - Cement - 1905 - 348 pages
...Pats of neat cement about three inches in diameter, one-half inch thick at center, tapering to a thin edge, shall be kept in moist air for a period of twenty-four...(a) A pat is then kept in air at normal temperature. (b) Another is kept in water maintained as near 70° Fahr. as practicable. 17. — These pats are observed... | |
 | Charles Evan Fowler - Bridges - 1905 - 370 pages
...— Pats of neat cement about 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 twenty-four...(a) A pat is then kept in air at normal temperature. (ft) Another is kept in water maintained as near 70° F. as practicable. 17. These pats are observed... | |
 | Gilbert Richard Redgrave - Cement - 1905 - 406 pages
...Volume. — Pats of neat cement about 3 inches in diameter, /, inch thick at centre, tapering to a thin edge, shall be kept in moist air for a period of twenty-four...(a) A pat is then kept in air at normal temperature. (6) Another is kept in water maintained as near 70° F. as practicable. 17. These pats are observed... | |
 | Charles Carroll Brown - Cement - 1905 - 384 pages
...Pats of neat cement about three inches in diameter, one-half inch thick at centre, tapering to a thin edge, shall be kept in moist air for a period of twentyfour...) A pat is then kept in air at normal temperature. (b) Another is kept in water maintained as near 70 degrees P. as practicable. 17. These pats are observed... | |
 | Ontario. Department of Mines, Ontario. Bureau of Mines - Geology - 1905 - 668 pages
...diameter onehalf inch thick at the centre and tapering to a thin edge shall be kept in moist air for i\ period of twenty-four hours. (a) A pat is then kept...temperature and observed at intervals for at least twenty-eight days. (b) Another pat is kept in water maintained as near seventy degrees F. as practicable,... | |
 | William Albert Noyes - Chemistry - 1905 - 810 pages
...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 twenty-four hours. (a) A pat is then kept in air at a normal, temperature, and observed at intervals for at least twenty-eight days. (b) Another pat is... | |
 | W. Purves Taylor - Cement - 1905 - 344 pages
...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) A pat is kept in water maintained as near 70° Fahr. as practicable, and observed at intervals for... | |
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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. (a) A pat is then kept in air at normal temperature and observed at intervals... 
