The Field Engineer: A Handy Book of Practice in the Survey, Location, and Track-work of Railroads; Containing a Large Collection of Rules and Tables, Original and Selected, Applicable to Both the Standard and the Narrow Gauge, and Prepared with Special Reference to the Wants of the Young EngineerD. Van Nostrand Company, 1890 - 339 páginas |
Dentro del libro
Resultados 1-5 de 28
Página vi
... in truss or arch ? The ordinary motives to en- deavor here have no place . 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 ? The ordinary motives to en- deavor here have no place . 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.
... 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.
Otras ediciones - Ver todas
Términos y frases comunes
A. D. MIN adjustment apex distance backsight called central angle CHORD column Cosine 1 Sine cross-hair Cube Roots decimal deflection distance degree of curvature degree of curve Diff divided engineer equal error Example feet figure fixed FOOD foregoing formation slope frog angle gauge of track gauge side ground Hence inches index angle instrument height intersection angle located logarithm Main frog dist mantissa mark measure method metres metric curve middle frog middle ordinate middle point minutes multiplied natural sine number corresponding observation opposite outer rail parallel perpendicular plane triangle Polaris quotient radii radius range REVERSED CURVE rule Sine 1 Cotang Square Roots sub-chord subtended Subtract Suppose switch-rail Table XVI tabular tance Tang tangential angle tangential distance telescope terminal tangent tion toe of switch transitman Trigonometry turnout curve vernier vertical ΙΟ