 | Rolla Clinton Carpenter, Herman Diederichs - 1913 - 1352 Seiten
...practicable, and ofeervtd at intervals for at least 28 days. 3. 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. These pats, to satisfactorily pass the requirements, shall remain firm and hard and show... | |
 | Albert Irvin Frye - 1913 - 1698 Seiten
...temperature and observed at intervals. Accelerated Test. — A pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel, for 3 hours. To pass these tests satisfactorily, the pats should remain firm and hand, and show no signs... | |
 | Henry Kreitzer Benson - 1913 - 460 Seiten
...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, shall remain firm and hard, and... | |
 | James Ambrose Moyer - 1913 - 512 Seiten
...i8 Temp, of room at time of teat. deg. F. Accelerated Test. A pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel,i for 5 hours. To pass these tests satisfactorily, the pats should remain firm and hard, and... | |
 | Henry Turner Eddy, Claude Allen Porter Turner - 1914 - 470 Seiten
...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. These pats, to satisfactorily pass the requirements, shall remain firm and hard and show... | |
 | Charles Evan Fowler - 1914 - 986 Seiten
...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 boiling water, in a loosely closed vessel for five hours. 23. These pats, to satisfactorily pass the requirements, shall remain firm and hard and... | |
 | Milo Smith Ketchum - 1914 - 958 Seiten
...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, shall remain firm and hard, and... | |
 | Henry Turner Eddy, Claude Allen Porter Turner - 1914 - 468 Seiten
...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. These pats, to satisfactorily pass the requirements, shall remain firm and hard and show... | |
 | National Lime Manufacturers' Association - 1914 - 1172 Seiten
...wet, shrinks in drying out. After twenty-four hours the pat is exposed in any convenient manner to an atmosphere of steam above boiling water in a loosely closed vessel for five hours. To successfully pass the test the pat must remain sound and show no signs of checking,... | |
 | Franklin Institute (Philadelphia, Pa.) - 1915 - 958 Seiten
...as for natural cement. Constancy of Volume. — Same as for natural cement, with the addition that a third pat is exposed in an atmosphere of steam,...above boiling water, in a loosely closed vessel for five hours. Sulphuric Acid and Magnesia. — Not more than 1.75 per cent. SCX, and not more than four... | |
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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. 
