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 EngineerVan Nostrand, 1882 - 6 páginas |
Dentro del libro
Resultados 1-3 de 11
Página 65
... Stretch the 48 feet of chain from B to P , in prolongation of tangent A B , and mark the point P ; then step aside , and stretch from B to C , making the distance PC = 3.14 feet : C will be a stake on the curve . 7. Next , run out the ...
... Stretch the 48 feet of chain from B to P , in prolongation of tangent A B , and mark the point P ; then step aside , and stretch from B to C , making the distance PC = 3.14 feet : C will be a stake on the curve . 7. Next , run out the ...
Página 137
... Stretch the cord from A to B , and from B to C. Mark the middle points of those stretches at H and P. Catch the cord at H with your forefinger , and pull it outwards until your finger , at E , lines with the switch - rail , and also ...
... Stretch the cord from A to B , and from B to C. Mark the middle points of those stretches at H and P. Catch the cord at H with your forefinger , and pull it outwards until your finger , at E , lines with the switch - rail , and also ...
Página 138
... Stretch the cord from C to D. Mark the middle point of it at K , and drive a pin at N , half - way between K and G. Stretch the cord from C to N , and from N to D. Stick pins outside the middle points , M and O , of those stretches at a ...
... Stretch the cord from C to D. Mark the middle point of it at K , and drive a pin at N , half - way between K and G. Stretch the cord from C to N , and from N to D. Stick pins outside the middle points , M and O , of those stretches at a ...
Contenido
Definitions and principles | 3 |
Definitions | 11 |
ADJUSTMENT AND USE OF INSTRUMENTS | 21 |
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Otras ediciones - Ver todas
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2015 |
The Field Engineer, a Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2016 |
Términos y frases comunes
100 feet long 100-feet chords called central angle chord 100 feet column cross-hair Cube Roots decimals deflection angle deflection distance degree of curvature degree of curve Diff divided elevation engineer equal Example feet 8 inches figure find the radius fixed foregoing frog angle Full Gauge gauge of track gauge side grade ground Hypsometry index angle instrument intersection angle length of switch-rail located logarithm magnetic bear Main frog dist main track mantissa mark measure method middle frog middle ordinate middle point minutes Multiply outer rail parallel perpendicular quotient radii radius REVERSED CURVE screws Sine 1 Cotang Square Roots stake standard gauge 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 ΙΟ ΤΑΝ