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 |
Dentro del libro
Resultados 1-5 de 41
Página xii
... sine V , the external secant S , or the tangent T Given C , V , S , or T , of any curve , and D , the degree of curvature , to find the intersection angle I. • Given the intersection angle I and deflection angle D , to find the length ...
... sine V , the external secant S , or the tangent T Given C , V , S , or T , of any curve , and D , the degree of curvature , to find the intersection angle I. • Given the intersection angle I and deflection angle D , to find the length ...
Página 12
... sine of an angle is the distance from one extremity of the arc enclosing it , to the diameter , through the other extrem- ity . Thus PM is the sine of the angle MOA . = The cosine of an angle is the sine of the complement of the angle ...
... sine of an angle is the distance from one extremity of the arc enclosing it , to the diameter , through the other extrem- ity . Thus PM is the sine of the angle MOA . = The cosine of an angle is the sine of the complement of the angle ...
Página 13
... sine , cosine , tang . , or cotang . , as the case may be ; the number there found is the logarithm sought . Thus , log . sin . 19 ° 55 ' . log . tang , 19 ° 55 ' . 9.532312 9.559097 3. If the angle is greater than 45 ° , look for the ...
... sine , cosine , tang . , or cotang . , as the case may be ; the number there found is the logarithm sought . Thus , log . sin . 19 ° 55 ' . log . tang , 19 ° 55 ' . 9.532312 9.559097 3. If the angle is greater than 45 ° , look for the ...
Página 14
... sine 40 ° 26 ' Tabular diff . 2.47 No. of seconds , 28 Product 69.16 to be added . • Log . sine 40 ° 26 ' 28 " 9.811952 69 9.812021 5. If the arc is greater than 90 ° , find the required function of its supplement . Thus the logarithmic ...
... sine 40 ° 26 ' Tabular diff . 2.47 No. of seconds , 28 Product 69.16 to be added . • Log . sine 40 ° 26 ' 28 " 9.811952 69 9.812021 5. If the arc is greater than 90 ° , find the required function of its supplement . Thus the logarithmic ...
Página 15
... sine of the angle opposite to that leg . And one of the legs is to the other as the radius to the tan- gent of the angle opposite to the latter . 2. In any plane triangle , as one of the sides is to another , so is the sine of the angle ...
... sine of the angle opposite to that leg . And one of the legs is to the other as the radius to the tan- gent of the angle opposite to the latter . 2. In any plane triangle , as one of the sides is to another , so is the sine of the angle ...
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