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Books Books 1 - 10 of 38 on The mean pressure of the atmosphere is usually estimated at 14.7 pounds per square....  
" The mean pressure of the atmosphere is usually estimated at 14.7 pounds per square inch, so that with a perfect vacuum it will sustain a column of mercury 29.9 inches or a column of water 33.9 feet high. To find the pressure in pounds per square inch... "
The Engineers' Review - Page 33
1905
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The Goulds M'f'g. Co's. Illustrated ...: Catalogue and Price List, of Pumps ...

Goulds Pumps, Inc - Pumping machinery - 1888 - 288 pages
...as the square of the velocity. The mean pressure of the atmosphere is usually estimated at 14.7 Ibs. per square inch, so that with a perfect vacuum it...29.9 inches, or a column of water 33.9 feet high. To find the pressure in pounds per square inch of a column of water, multiply the height of the column...
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The Little Giant Cyclopedia and Treasury of Ready Reference: 1,000,001 ...

K. L. Armstrong - 1889
...increases its capacity four times. Friction of liquids in pipes increases as the square of the velocity. The mean pressure of the atmosphere is usually estimated...mercury 29.9 inches or a column of water 33.9 feet high. To find the pressure in pounds per square inch of a column of water, multiply the height of the column...
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A catalogue of pumps and hydraulic machinery for every service ...

Goulds Pumps, Inc - Technology & Engineering - 1900 - 344 pages
...of the velocity. The mean pressure of the atmosphere at tide level is usually estimated at 14.7 Ibs. per square inch, so that with a perfect vacuum it will sustain a column of mercury 29.9 inches, or column of water 33.9 feet high. In ordinary practice we recommend Pumps be placed not over twenty feet...
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The American Marine Engineer, Theoretical and Practical: With Examples of ...

Emory Edwards - Marine engineering - 1891 - 416 pages
...gallons. The US standard gallon measures 231 cubic inches, and contains 8% pounds of distilled water. The mean pressure of the atmosphere is usually estimated at 14.7 pounds per square inch. The average amount of coal used for steam boilers is 12 pounds per hour for each square foot of grate....
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Manual of Useful Information: Embracing More Than 100,000 Facts, Figures and ...

Handbooks, vade-mecums, etc - 1893 - 480 pages
...increases its capacity four times. Friction of liquids in pipes increases as the square of the velocity. The mean pressure of the atmosphere is usually estimated...14.7 pounds per square inch, so that with a perfect vacunm it will sustain a column of mercury 20.9 inches or a column of water 3.4. 9 feet high. To find...
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Wickes Bros., manufacturers of boilers, engines, and heavy mill machinery

Wickes Brothers - Technology & Engineering - 1895 - 205 pages
...ordinary friction. The mean pressure of the atmosphere is usually estimated at 14.7 Ibs. per sq. in., so that with a perfect vacuum it will sustain a column...29.9 inches, or a column of water 33.9 feet high. The following analyses of water taken from various localities are those made by the Keystone Chemical...
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Practical Mining and Assaying

Frederic Milton Johnson - Assaying - 1897 - 103 pages
...horse power. Each nominal horse power of boilers will require about one cubic foot of water per hour. The mean pressure of the atmosphere is usually estimated...29.9 inches, or a column of water 33.9 feet high. To find the capacity of a cylinder in gallons: Multiplying the area in inches by the stroke in inches...
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Aluminum and Aluminum Alloys in the Form of Ingots, Castings, Bars, Plates ...

Aluminum Company of America - Aluminum alloys - 1897 - 266 pages
...The mean pressure of the atmosphere is usually estimated at 14.7 Ibs. per square inch, so that wilh a perfect vacuum it will sustain a column of mercury 29.9 inches or a column of water 33.9 feet high. 7'u find the pressure in pounds per square inch of a column of water. Multiply the height of the column...
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Steam pumps: a collection of catalogues

Knowles Steam Pump Works - Technology & Engineering - 1898
...increases its capacity four times. Friction u( liquids in pipes increases as the square of the velocity. The mean pressure of the Atmosphere is usually estimated at 14.7 pounds to the square inch, so that with a perfect vacuum it will sustain a column of mercury 299 inches, or...
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Creosoted Timber: Its Preparation and Uses

Norfolk Creosoting Co - Building materials - 1900 - 92 pages
...increases its capacity four times. Friction of liquids in pipes increases as the square of the velocity. The mean pressure of the atmosphere is usually estimated...perfect vacuum it will sustain a column of mercury 2I.9 inches, or a column of water 33.9 feet high. To find the pressure in pounds per square inch of...
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