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
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Página 14
... diff . 2.47 No. of seconds , 28 Operation . 69.16 to be added . Product . Log . sine 40 ° 26 ' 28 " · • 9.811952 69 9.812021 5. If the arc is greater than 90 ° , find the required function of its supplement . Thus the logarithmic ...
... diff . 2.47 No. of seconds , 28 Operation . 69.16 to be added . Product . Log . sine 40 ° 26 ' 28 " · • 9.811952 69 9.812021 5. If the arc is greater than 90 ° , find the required function of its supplement . Thus the logarithmic ...
Página 74
... Diff . • 2.477121 9.977711 12.454832 9.954274 2.500558 If E is invisible from B , extend the line D B towards C , until a line CE clears the obstacle . The point E must then be established by intersection of the sides CE , DE , in ...
... Diff . • 2.477121 9.977711 12.454832 9.954274 2.500558 If E is invisible from B , extend the line D B towards C , until a line CE clears the obstacle . The point E must then be established by intersection of the sides CE , DE , in ...
Página 182
... Diff 4579 266 7221 264 9846 262 5051 259 21 3 | 4 | 5 | 6 | 7 | 8 | 9 160 204120 204391 | 204663/204934 205204 205475 205746 206016/206286/206556271 1 6826 7096 7365 7634 7904 8173 8441 8710 8979 9247 269 2 9515 9783 210051 210319 ...
... Diff 4579 266 7221 264 9846 262 5051 259 21 3 | 4 | 5 | 6 | 7 | 8 | 9 160 204120 204391 | 204663/204934 205204 205475 205746 206016/206286/206556271 1 6826 7096 7365 7634 7904 8173 8441 8710 8979 9247 269 2 9515 9783 210051 210319 ...
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