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 31
Página xiii
... middle ordinate M Given the radius R , chord C , and middle ordi- • • nate M , to find any other ordinate Ordinates of a 1 ° curve , chord 100 - feet PAGE · 58 • 58 59 60 TRACING CURVES AND TURNING OBSTACLES IN THe Field . XX . To trace ...
... middle ordinate M Given the radius R , chord C , and middle ordi- • • nate M , to find any other ordinate Ordinates of a 1 ° curve , chord 100 - feet PAGE · 58 • 58 59 60 TRACING CURVES AND TURNING OBSTACLES IN THe Field . XX . To trace ...
Página xiv
... middle frog in the case of a double turnout • • 131 131 · • • 131 135 , 136 To find the distance from toe of switch to point of middle frog Turnout tables • PAGE • 137 139 • 139 • 141 • 142 xiv TABLE OF CONTENTS .
... middle frog in the case of a double turnout • • 131 131 · • • 131 135 , 136 To find the distance from toe of switch to point of middle frog Turnout tables • PAGE • 137 139 • 139 • 141 • 142 xiv TABLE OF CONTENTS .
Página xv
... middle ordinates , and deflection distances • · XI . Squares , cubes , & c . , of numbers from 1 to 1042 . XII . Logarithms of numbers , 1 to 1000 . • XIII . Logarithmic sines , cosines , tangents , and cotan- gents • XIV . Natural ...
... middle ordinates , and deflection distances • · XI . Squares , cubes , & c . , of numbers from 1 to 1042 . XII . Logarithms of numbers , 1 to 1000 . • XIII . Logarithmic sines , cosines , tangents , and cotan- gents • XIV . Natural ...
Página 25
... middle of its tube , carefully lift the telescope out of the wyes , turn it end for end , and replace it . If the bubble settles away from the middle , bring it half - way back by means of the capstan - heads , working up and down at ...
... middle of its tube , carefully lift the telescope out of the wyes , turn it end for end , and replace it . If the bubble settles away from the middle , bring it half - way back by means of the capstan - heads , working up and down at ...
Página 36
... MIDDLE ORDINATE BEING UNITY . .30 .18 12 11 10 8 .94 .97 .99 1.00 .83 .89 .75 .66 3 1. Suppose gradients descending right and left at an equal rate from the summit B , and that it is required to truncate the summit with a vertical curve ...
... MIDDLE ORDINATE BEING UNITY . .30 .18 12 11 10 8 .94 .97 .99 1.00 .83 .89 .75 .66 3 1. Suppose gradients descending right and left at an equal rate from the summit B , and that it is required to truncate the summit with a vertical curve ...
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