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 14
Página 27
... height " at C = 201.41 , the height of sta . 2,2.64 = 204.05 , and the elevations at 3 , 4 , 5 , or other points observed from C are found by deducting the " rods " at those points from the ascertained instrument height at the new point ...
... height " at C = 201.41 , the height of sta . 2,2.64 = 204.05 , and the elevations at 3 , 4 , 5 , or other points observed from C are found by deducting the " rods " at those points from the ascertained instrument height at the new point ...
Página 29
... height . If not so differ- enced , questions of detour , of approaches , and the like , will contribute to determine the expediency of making an instru- mental examination . 13. HEIGHTS BY THE THERMOMETER . Tthe difference , in degrees ...
... height . If not so differ- enced , questions of detour , of approaches , and the like , will contribute to determine the expediency of making an instru- mental examination . 13. HEIGHTS BY THE THERMOMETER . Tthe difference , in degrees ...
Página 34
... height of of 23 = 15.3 feet ; and , since the instrument is 1 foot be- low grade , to a rod at the supposed embankment base of 153 — 1.0 = 14.3 feet . But the rod at that point is only 11 feet , to which , if 1 foot , the distance of ...
... height of of 23 = 15.3 feet ; and , since the instrument is 1 foot be- low grade , to a rod at the supposed embankment base of 153 — 1.0 = 14.3 feet . But the rod at that point is only 11 feet , to which , if 1 foot , the distance of ...
Contenido
Definitions and principles | 3 |
Definitions | 11 |
ADJUSTMENT AND USE OF INSTRUMENTS | 21 |
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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