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 |
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Página 55
... A D , OF ANY CURVE , AND D , THE DE- GREE OF CURVATURE , TO FIND THE INTERSECTION ANGLE , I. Multiply the given function C , O , S , or AD ... minutes , if any , in I to decimals of vcnient method of effecting the division is , first , to ...
... A D , OF ANY CURVE , AND D , THE DE- GREE OF CURVATURE , TO FIND THE INTERSECTION ANGLE , I. Multiply the given function C , O , S , or AD ... minutes , if any , in I to decimals of vcnient method of effecting the division is , first , to ...
Página 269
... minutes to deci- mals of a degree before making the multiplication for a divisor in each case . Also , if the length in metres of any proposed Chord , Ordi- nate , Ex - sec or A. D. for a given angle be known , the tabular function ...
... minutes to deci- mals of a degree before making the multiplication for a divisor in each case . Also , if the length in metres of any proposed Chord , Ordi- nate , Ex - sec or A. D. for a given angle be known , the tabular function ...
Página 270
... A. D. MIN . MIN . CHORD . MID . ORD . EX . SEC . A. D. MIN . 4OO ON FOR ON FO∞ 0.000 0.000 0.00 3.33 0.00 0.000 0.000 1.67 6.67 0.001 0.001 3.33 10.00 0.002 0.002 5.00 13.33 0.004 0.004 6.67 16.67 0.006 0.006 8.33 ΙΟ 20.00 0.009 0.009 ...
... A. D. MIN . MIN . CHORD . MID . ORD . EX . SEC . A. D. MIN . 4OO ON FOR ON FO∞ 0.000 0.000 0.00 3.33 0.00 0.000 0.000 1.67 6.67 0.001 0.001 3.33 10.00 0.002 0.002 5.00 13.33 0.004 0.004 6.67 16.67 0.006 0.006 8.33 ΙΟ 20.00 0.009 0.009 ...
Página 271
... A. D. MIN . MIN . CHORD . MID . ORD . Ex . SEC . A. D. MIN . + + 199.98 0.873 0.873 100.00 203.31 0.902 0.902 101.67 206.64 0.932 0.932 103.34 209.97 0.962 0.962 105.01 213.31 0.993 0.993 106.68 8 216.64 1.024 1.024 108.35 219.97 1.056 ...
... A. D. MIN . MIN . CHORD . MID . ORD . Ex . SEC . A. D. MIN . + + 199.98 0.873 0.873 100.00 203.31 0.902 0.902 101.67 206.64 0.932 0.932 103.34 209.97 0.962 0.962 105.01 213.31 0.993 0.993 106.68 8 216.64 1.024 1.024 108.35 219.97 1.056 ...
Página 276
... A. D. MIN . MIN . CHORD . MID . ORD . Ex . SEC . A. D. MIN . 1197.9 31.39 31.56 602.22 O 1201.2 31.57 31.73 603.91 2 1204.5 31.74 31.91 605.60 4 1207.8 31.92 32.09 607.28 6 1211.I 32.09 32.27 608.97 8 1214.5 32.27 32.45 610.66 ΙΟ ΙΟ ...
... A. D. MIN . MIN . CHORD . MID . ORD . Ex . SEC . A. D. MIN . 1197.9 31.39 31.56 602.22 O 1201.2 31.57 31.73 603.91 2 1204.5 31.74 31.91 605.60 4 1207.8 31.92 32.09 607.28 6 1211.I 32.09 32.27 608.97 8 1214.5 32.27 32.45 610.66 ΙΟ ΙΟ ...
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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