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 29
... determine the expediency of making an instru- mental examination . 13. HEIGHTS BY THE THERMOMETER . Tthe difference , in degrees Fahrenheit , between 2120 , the temperature of boiling water at the sea level , and that at the H = the ...
... determine the expediency of making an instru- mental examination . 13. HEIGHTS BY THE THERMOMETER . Tthe difference , in degrees Fahrenheit , between 2120 , the temperature of boiling water at the sea level , and that at the H = the ...
Página 54
... Determine the corresponding radius by ( 17 ) , by Table X. , or , for ordinary practice , by dividing 5,730 by it . Thus , in the foregoing example , the tabular chord corre- sponding to angle 35 ° 24 ′ would be 3,484.2 , which ...
... Determine the corresponding radius by ( 17 ) , by Table X. , or , for ordinary practice , by dividing 5,730 by it . Thus , in the foregoing example , the tabular chord corre- sponding to angle 35 ° 24 ′ would be 3,484.2 , which ...
Página 111
... determining the angle approximately as above , to find the tangents " corre- sponding to it for the two curves in ... determined by the method in ( 2 ) . TRACK PROBLEMS . XXXVIII . - LI . TRACK PROBLEMS TO RUN A TANGENT TO TWO CURVES . 111.
... determining the angle approximately as above , to find the tangents " corre- sponding to it for the two curves in ... determined by the method in ( 2 ) . TRACK PROBLEMS . XXXVIII . - LI . TRACK PROBLEMS TO RUN A TANGENT TO TWO CURVES . 111.
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