 F. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five hours. 23. These pats, to satisfactorily pass the requirements,...  Proceedings of the Annual Meeting - Sayfa 281American Society for Engineering Education, Society for the Promotion of Engineering Education (U.S.) tarafından - 1906Tam görünüm - Bu kitap hakkında
 | Edwin Clarence Eckel - 1905 - 798 sayfa
...tapering to a tiiin 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...for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | Edwin Clarence Eckel - 1905 - 796 sayfa
...in moist air for a period of twenty-four hours. (a) A pat is then kept in air at normal tamperature and observed at intervals for at least 28 days. (b)...for at least 28 days. (c) A third pat Is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | 1905 - 612 sayfa
...a pat is then kept in air at normal temperature and observed at intervals for at least 28 days; (6) another pat is kept in water maintained as near 70°...for at least 28 days; (c) a third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | Edwin Clarence Eckel - 1905 - 802 sayfa
...A pat is then kept in air at normal temperature and observed at intervals for at least 28 days. (6) Another pat is kept in water maintained as near 70°...for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | Charles Carroll Brown - 1905 - 384 sayfa
...at intervals for at least 28 days. ("b) Another pat is kept in water maintained as near 70 degrees F. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | W. Purves Taylor - 1905 - 344 sayfa
...observed at intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70° Fahr. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - 1905 - 642 sayfa
...observed at intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70° Fahr. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | Portland Cement Association - 1905 - 44 sayfa
...observed at intervals for at least 28 days. 89 (6) Another pat is kept in water maintained as near 70° 90 F. as practicable, and observed at intervals for at least 28 days. 91 (c) A third pat is exposed in any convenient way in an 92 atmosphere of steam, above boiling water,... | |
 | Richard Kidder Meade - 1906 - 418 sayfa
...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...for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
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