Van Nostrand's Engineering Magazine, Том 32

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D. Van Nostrand, 1885
 

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Сторінка 439 - CHEMICAL EXAMINATION OF ALCOHOLIC LIQUORS. — A Manual of the Constituents of the Distilled Spirits and Fermented Liquors of Commerce, and their Qualitative and Quantitative Determinations.
Сторінка 365 - Zenobia of our histories) built two fortresses, one on the right the other on the left bank of the Euphrates, and connected them by a tunnel, which she made by damming and turning the Euphrates when its waters were low, executing a deep cutting in its bed, bricking the cutting over, and then turning the waters back again.
Сторінка 308 - In preparing for and conducting trials of steam boilers, the specific object of the proposed trial should be clearly defined and steadily kept in view.
Сторінка 220 - In tests for purposes of scientific research, in which the determination of all the variables entering into the test is desired, certain observations should be made which are in general unnecessary for ordinary tests.
Сторінка 218 - Watermeters, as a rule, should only be used as a check on other measurements. For accurate work, the water should be weighed or measured in a tank. 3. Thermometers and pyrometers for taking temperatures of air, steam, feed-water, waste gases, etc. 4. Pressure-gauges...
Сторінка 217 - Have an understanding -with the parties in whose interest the test is to be made as to the character of the coal to be used. The coal must be dry, or, if wet, a sample must be dried carefully and a determination of the amount of moisture in the coal made, and the calculation of the results of the test corrected accordingly.
Сторінка 515 - All elevations determined by the United States Geological Survey and the United States Coast and Geodetic Survey...
Сторінка 165 - ... itself, with the gigantic powers conferred upon it by the immortal Watt, will dwindle into insignificance in comparison with the hidden powers of nature still to be revealed, and that the day will come when that machine, which is now...
Сторінка 218 - Wherever possible, the test should be made with standard coal of a known quality. For that portion of the country east of the Alleghany Mountains good anthracite egg coal or Cumberland semi-bituminous coal may be taken as the standard for making tests.
Сторінка 51 - Europe, called the age of stone, the age of bronze, and the age of iron, is purely relative, like the chronology of the geological formations.

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