The Field Engineer: A Handy Book of Practice in the Survey, Location, and Trackwork of Railroads; Containing ... Rules and Tables ... Applicable to ... the Standard and the Narrow Gauge ...D. van Nostrand, 1880 - 318 páginas |
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Página xi
... corresponding to a given logarithin • Multiplication by means of logarithms Division by means of logarithms To raise a number to any power by means of logarithms To extract roots by means of logarithms 5 5 1406 77 7 7 · PLANE ...
... corresponding to a given logarithin • Multiplication by means of logarithms Division by means of logarithms To raise a number to any power by means of logarithms To extract roots by means of logarithms 5 5 1406 77 7 7 · PLANE ...
Página 5
... CORRESPONDING TO A GIVEN LOGARITHM . 6. The rule is the reverse of those just given . Look in the table for the mantissa of the given logarithm . If it cannot be found , take out the next less mantissa , and also the corre- sponding ...
... CORRESPONDING TO A GIVEN LOGARITHM . 6. The rule is the reverse of those just given . Look in the table for the mantissa of the given logarithm . If it cannot be found , take out the next less mantissa , and also the corre- sponding ...
Página 6
... corresponding to the resulting logarithm , and it will be the quotient required . Divide 24163 by 4567 . Example 1 . Operation . Log . 24163 Log . 4567 · · 4.383151 3.659631 0.723520 = log . 5.29078 , the quotient . Divide 0.7438 by ...
... corresponding to the resulting logarithm , and it will be the quotient required . Divide 24163 by 4567 . Example 1 . Operation . Log . 24163 Log . 4567 · · 4.383151 3.659631 0.723520 = log . 5.29078 , the quotient . Divide 0.7438 by ...
Página 7
... corresponding to the resulting logarithm will be the quotient required . Example . Multiply 358884 by 5672 , and divide the product by 89721 . Operation . Log . 358884 5.554954 Log . 5672 3.753736 ( a . c . ) Log . 89721 5.047106 ...
... corresponding to the resulting logarithm will be the quotient required . Example . Multiply 358884 by 5672 , and divide the product by 89721 . Operation . Log . 358884 5.554954 Log . 5672 3.753736 ( a . c . ) Log . 89721 5.047106 ...
Página 8
... corresponding number is 16 , which is the root sought . 12. When the characteristic is negative , and not divisible by the index , add to it the smallest negative number that will make it divisible , and then prefix the same number ...
... corresponding number is 16 , which is the root sought . 12. When the characteristic is negative , and not divisible by the index , add to it the smallest negative number that will make it divisible , and then prefix the same number ...
Otras ediciones - Ver todas
The Field Engineer: A Handy Book of Practice in the Survey, Location and ... William F. Shunk Sin vista previa disponible - 2008 |
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2017 |
Términos y frases comunes
100 feet long 100-feet chords adjustment apex distance called central angle column Cosine 1 Sine Cotang cross-hair Cube Roots decimals deflection distance degree of curvature DEGREE OF CURVE Diff divided elevation engineer equal Example feet figure fixed foregoing frog angle Full Gauge gauge of track gauge side gent ground index angle instrument intersection angle length of switch-rail located logarithm M.
M. I Sine Main frog dist mantissa mark measure method middle frog middle ordinate middle point minutes Multiply observation outer rail parallel perpendicular quotient radii radius range Reciprocals REVERSED CURVE right triangle screws slope Square Roots standard gauge straight line sub-chord subtended Subtract Suppose Table XVI tabular tance Tang tangent A B tangential angle tangential distance telescope terminal tangent tion toe of switch Trigonometry turnout curve vernier versin vertical ΙΟ ΤΑΝ
Pasajes populares
Página 18 - ... the square of the hypothenuse is equal to the sum of the squares of the other two sides.
Página 4 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Página 11 - ... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and fourteen seconds, would be written 10° 18
Página 4 - The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers. log» MN = log» M + log