 | Ohio - 1894 - 970 sider
...Fahrenheit, before finally being tested. In testing the gravity of the oil, the Tagliabue hydrometer must be. when possible, read from below, and the last line which appears under the surface of the oil -hall be regarded as the true reading. In case the oil under test should be opaque or turbid, one-half... | |
 | United States. Bureau of Labor - 1896 - 1396 sider
...Fahrenheit, before finally being tested. In testing the gravity of the oil, the Tagliabue hydrometer must be, when possible, read from below, and the last...the capillary attraction shall be deemed and taken as the true reading. When the oil is tested under difficult circumstances, an allowance of one half... | |
 | Kentucky. Department of Mines and Minerals - 1897 - 262 sider
...Fahrenheit, before finally being tested. In testing the gravity of the oil, the Tagliabue hydrometer must be, when possible, read from below, and the last...tested under difficult circumstances, an allowance for one-half degree maybe made for possible error in parallax before condemning the oil for use in... | |
 | Iowa. State Department of Health - 1897 - 404 sider
...of sixty degrees, when the test must be made. RULE 8. In testing the gravity of oil the hydrometer must be, when possible, read from below, and the last...of the oil shall be regarded as the true reading. RULE 4. Where the oil is tested in difficult circumstances, an allowance of one-half of one degree... | |
 | Iowa. General Assembly - 1898 - 1444 sider
...of sixty degrees, when the test must be made. RULE 'Л. In testing the gravity of oil the hydrometer must be, when possible, read from below, and the last...of the oil shall be regarded as the true reading. RULE 4. Where the oil is tested in difficult circumstances, an allowance of one-half of one degree... | |
 | Iowa. State Department of Health - 1899 - 606 sider
...co3l or heat, as the case may be, to sixty degrees, Fahrenheit. Allow the hydrometer to come to rest, read from below, and the last line which appears under the surface of the oil should be regarded as the true reading, care being taken that the hydrometer does not touch the sides... | |
 | 1899 - 928 sider
...Fahrenheit, before finally being tested. In testing the gravity of the oil, the Tagliabue hydrometer must be, when possible, read from below, and the last line which appear.under the surface of the oil shall be regarded as tin- truereading. In case the nil under test... | |
 | Indiana. Department of Geology and Natural Resources - 1900 - 1286 sider
...Fahrenheit before finally being tested. In testing the gravity of the oil the Tagliabue hydrometer must be, when possible, read from below, and the last...shall be deemed and taken to be the true reading. When the oil is tested under difficult circumstances an allowance of one-half degree may be made for... | |
 | Ohio, Moses Fleming Wilson - 1900 - 852 sider
...Fahrenheit before finally being tested. In testing the gravity of the oil, the Tagliabue hydrometer must be, when possible, read from below, and the last line which appears under the surface of the soil shall be regarded as the true reading. In case the oil under test should be opaque or turbid,... | |
 | Iowa. General Assembly - 1900 - 1186 sider
...hydrometer, cool or heat as the case may be to 60 degrees Fahrenheit. Allow the hydrometer to come to rest, read from below, and the last line which appears under the surface of the oil should be regarded as the true reading, care being taken that the hydrometer does not touch the sides... | |
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Tagliabue hydrometer must be, when possible, read from below, and the last line which appears under the surface of the oil shall be regarded as the true reading. In case the... 
