 | Ontario. Legislative Assembly - 1905 - 1154 стор.
...maintained as near seventy degrees F. as pra»t'cable, and observed at intervals for at least twenty-eight days. (c) A third pat is exposed in any convenient...atmosphere of steam above boiling water, in a loosely clfosed vessel for five hours. These pats to satisfactorily pass the requirements shall remain firm... | |
 | Ontario. Department of Mines, Ontario. Bureau of Mines - 1905 - 668 стор.
...maintained as near seventy degrees F. as practicable, and observed at intervals for at least twenty-eight days. (c) A third pat is exposed in any convenient...atmosphere of steam above boiling water, in a loosely clfosed vessel for five hours. These pats to satisfactorily pass the requirements shall remain firm... | |
 | Ontario. Department of Mines, Ontario. Bureau of Mines - 1905 - 670 стор.
...maintained as near seventy degrees F. as practicable, and observed at intervals for at least twenty-eight days. (c) A third pat is exposed in any convenient...atmosphere of steam above boiling water, in a loosely cltosed vessel for five hours. These pats to satisfactorily pass the requirements shall remain firm... | |
 | Ontario. Department of Mines, Ontario. Bureau of Mines - 1905 - 712 стор.
...maintained as near seventy degrees F. as pra»t'cable, and observed at intervals for at least twenty-eight days. (c) A third pat is exposed in any convenient...atmosphere of steam above boiling water, in a loosely clbsed vessel for five hours. These pats to satisfactorily pass the requirements shall remain firm... | |
 | Ontario. Legislative Assembly - 1905 - 1162 стор.
...maintained as near seventy degrees F. as pra*t'cable, and observed at intervals for at least twenty-eight days. (c) A third pat is exposed in any convenient...atmosphere of steam above boiling water, in a loosely clbsed vessel for five hours. These pats to satisfactorily pass the requirements shall remain firm... | |
 | Charles Evan Fowler - 1905 - 370 стор.
...air at normal temperature and observed at intervals for at least twenty-eight days. (b) Another pat is kept in water maintained as near 70° F. as practicable, and observed at intervals for at least twenty-eight days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above... | |
 | William Albert Noyes - 1905 - 808 стор.
...at a normal temperature, and observed at intervals for at least twenty-eight days. (b) Another pat is kept in water maintained as near 70° F. as practicable, and observed at intervals for at least twenty-eight days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above... | |
 | Gaetano Lanza - 1905 - 978 стор.
...air in normal temperature and observed at intervals for at least twenty-eight days. (b) Another pat is kept in water maintained as near 70° F. as practicable, and observed at intervals for at least twenty-eight days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above... | |
 | Gilbert Richard Redgrave - 1905 - 406 стор.
...air at normal temperature and observed at intervals for at least twenty-eight days. (6) Another pat is kept in water maintained as near 70° F. as practicable, and observed at intervals for at least twenty-eight days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above... | |
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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. 
