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 ix
... root sign : it signifies that the square root of the quantity covered by it is to be taken . If preceded by a small secondary figure , called the index , as in the marginal figure , it indicates that the cube root of the quantity ...
... root sign : it signifies that the square root of the quantity covered by it is to be taken . If preceded by a small secondary figure , called the index , as in the marginal figure , it indicates that the cube root of the quantity ...
Página xi
... roots by means of logarithms 5 5 1406 77 7 7 · PLANE TRIGONOMETRY . III . Definitions IV . Natural sines 11 12 V. Logarithmic sines , & c . VI . General propositions VII . Solution of plane triangles VIII . Right - angled plane ...
... roots by means of logarithms 5 5 1406 77 7 7 · PLANE TRIGONOMETRY . III . Definitions IV . Natural sines 11 12 V. Logarithmic sines , & c . VI . General propositions VII . Solution of plane triangles VIII . Right - angled plane ...
Página 4
... root of a number is equal to the loga- rithm of the number divided by the index of the root . 6. The preceding principles enable us to abridge labor in arithmetical calculations , by using simple addition and sub- traction instead of ...
... root of a number is equal to the loga- rithm of the number divided by the index of the root . 6. The preceding principles enable us to abridge labor in arithmetical calculations , by using simple addition and sub- traction instead of ...
Página 7
... ROOTS BY MEANS OF LOGARITHMS . 11. Find the logarithm of the number , and divide it by the index of the root ; then find the number corresponding to the Example . Find the cube root of 4,096 . Operation resulting logarithm , and it will ...
... ROOTS BY MEANS OF LOGARITHMS . 11. Find the logarithm of the number , and divide it by the index of the root ; then find the number corresponding to the Example . Find the cube root of 4,096 . Operation resulting logarithm , and it will ...
Página 8
... root of 4,096 . Operation . Log . 4,096 , 3.612360 ; one - third of this is 1.204120 , to which the corresponding number is 16 , which is the root sought . 12. When the characteristic is negative , and not divisible by the index , add ...
... root of 4,096 . Operation . Log . 4,096 , 3.612360 ; one - third of this is 1.204120 , to which the corresponding number is 16 , which is the root sought . 12. When the characteristic is negative , and not divisible by the index , add ...
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