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
Página vi
... in truss or arch ? deavor here have no place . The ordinary motives to en- There is neither fame nor profit to his book ; he remains impersonal , -- known in these drudging enterprises . At best the author gives name vi PREFACE .
... in truss or arch ? deavor here have no place . The ordinary motives to en- There is neither fame nor profit to his book ; he remains impersonal , -- known in these drudging enterprises . At best the author gives name vi PREFACE .
Página 6
... gives 2 for a result . The subtraction , as in this case , is always to be performed in the algebraic way . 9. The operation of division , particularly when combined with that of multiplication , can often be simplified by using the ...
... gives 2 for a result . The subtraction , as in this case , is always to be performed in the algebraic way . 9. The operation of division , particularly when combined with that of multiplication , can often be simplified by using the ...
Página 17
... give the larger of them , and half their sum diminished by half their difference will give the lesser of them . The solution may be completed either by proposition 4 , or by proposition 2 , as in Case I. Example . Given side a = 95.2 ...
... give the larger of them , and half their sum diminished by half their difference will give the lesser of them . The solution may be completed either by proposition 4 , or by proposition 2 , as in Case I. Example . Given side a = 95.2 ...
Página 18
... gives the greater segment , and diminished by it gives the less ; thus , by means of the perpendicular from the vertical angle , the original triangle is divided into two , each of which falls under the first case . Or they may be ...
... gives the greater segment , and diminished by it gives the less ; thus , by means of the perpendicular from the vertical angle , the original triangle is divided into two , each of which falls under the first case . Or they may be ...
Página 25
... a rude device . With so short a leverage as the length of the common adjust- manageable motion . They reproach the instrument - maker's art ing - pin supplies , it is almost impossible to give them a smooth , THE LEVEL . 25 25.
... a rude device . With so short a leverage as the length of the common adjust- manageable motion . They reproach the instrument - maker's art ing - pin supplies , it is almost impossible to give them a smooth , THE LEVEL . 25 25.
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