 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
 | Fred Lavis - 1917 - 648 sayfa
...intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70 degrees Fahrenheit 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... | |
 |
1918
...tapering to a thin edge, shall be kept in moist air for a period of twentyfour 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... | |
 | Wilson Gardner Harger, Edmund Arnold Bonney - 1919 - 1020 sayfa
...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 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... | |
 | 1920 - 518 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 5... | |
 | Donald Macy Liddell - 1922 - 504 sayfa
...observed at intervals for at least 28 days. (6) Another pat is kept in water maintained as near 70°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 5... | |
 | Wilson Gardner Harger - 1924 - 672 sayfa
...observed at intervals for at least 28 days. (6) Another pat is kept in water maintained as near 70°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 5... | |
 | Wilson Gardner Harger, Edmund Arnold Bonney - 1927 - 1820 sayfa
...observed at intervals for at least 28 days. "fr. Another pat is kept in water maintained as near 7o°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 5... | |
 | American Society of Civil Engineers - 1909 - 904 sayfa
...(a) A pat is then kept in air at normal temperature and observed at intervals for at least 28 deys. (b) Another pat is kept in water maintained as near...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... | |
 | American Railway Engineering Association - 1905 - 198 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... | |
 | American Railway Engineering Association - 1905 - 928 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... | |
| |
