Handbook of the Steam-engine |
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Page 3
... or Arabic - we have to begin at the right- hand side of the page . In this system the classes or orders of the objects or groups of objects is indicated by the place occu- pied by the figures which express their value . Thus.
... or Arabic - we have to begin at the right- hand side of the page . In this system the classes or orders of the objects or groups of objects is indicated by the place occu- pied by the figures which express their value . Thus.
Page 4
... indicated ; and any of the properties belonging to the number would equally hold by whatever expedient of notation it was expressed . But the manner here described is that which the accumulated experience of mankind has shown to be the ...
... indicated ; and any of the properties belonging to the number would equally hold by whatever expedient of notation it was expressed . But the manner here described is that which the accumulated experience of mankind has shown to be the ...
Page 29
... indicated by the sign and as 12 x12 = 144 , so 144 ÷ 12 = 12 . In cases in which the divisor is composed of two factors , it is a common practice , instead of employing the method of long division to divide successively by the two ...
... indicated by the sign and as 12 x12 = 144 , so 144 ÷ 12 = 12 . In cases in which the divisor is composed of two factors , it is a common practice , instead of employing the method of long division to divide successively by the two ...
Page 46
... indicated by the sign √ , which is read square root . Hence √12 means the square root of 12 ; √2 the square root of 2 ; √3 the square root of 3 ; √ the square root of , and a the square root of a . As , moreover , the square root ...
... indicated by the sign √ , which is read square root . Hence √12 means the square root of 12 ; √2 the square root of 2 ; √3 the square root of 3 ; √ the square root of , and a the square root of a . As , moreover , the square root ...
Page 51
... FRACTIONAL EXPONENTS . The multiplication or division of numbers is indicated by adding or subtracting their exponents , and as 2 may be written as 2 ' , then 2x 22 ' , since Roots as represented by Fractional Exponents.
... FRACTIONAL EXPONENTS . The multiplication or division of numbers is indicated by adding or subtracting their exponents , and as 2 may be written as 2 ' , then 2x 22 ' , since Roots as represented by Fractional Exponents.
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Common terms and phrases
40 inches 64 inches air-pump crosshead amount atmosphere beam body boiler breadth carbonic acid cast-iron centre chimney coal coefficient column condenser constant number crank in inches cube root cubic feet cubic foot cubic inches cylinder in inches decimal denominator diagram taken diameter of cylinder dimensions divisor engine equal Example 1.-Let 40 Example 2.-Let 64 Example 2.-What Fahrenheit feet per second figure FIND THE PROPER flue fly-wheel fraction furnace gibs and cutter given heating surface horse-power hour inch of section inches diameter latent heat logarithm motion moving pence pendulum pipe piston rod pounds proper depth proper diameter proper thickness proportion pump quantity quotient resistance revolutions per minute RULE.-Multiply the diameter screw sectional area shaft shillings side lever side rod specific heat speed square feet square inch square root strength stroke subtract temperature tion tubes valve velocity vessel vulgar fraction water-line weight wheel
Popular passages
Page 211 - Constant of an engine is found by multiplying the area of the piston in square inches by the speed of the piston in feet per minute and dividing the product by 33,000. It is the power the engine would develop with one pound mean effective pressure. To find the horse-power of the engine, multiply the MEP of the diagram by this constant.
Page 278 - Rule : Multiply the square of the diameter of the cylinder in inches by the cube root of the stroke in feet, and divide the product by 47. The quotient is the nominal horse-power of the engine.
Page 103 - ... is the same as that which a heavy body would acquire in falling from the height of an atmosphere composed of the gas in question of uniform density throughout.