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 7
Página 40
... direct the cross - hair to the edge of some well - defined object , as a chain pin , or stake , placed 400 or 600 feet distant . Upset the telescope , and place a like mark at about the same distance , and level in the opposite ...
... direct the cross - hair to the edge of some well - defined object , as a chain pin , or stake , placed 400 or 600 feet distant . Upset the telescope , and place a like mark at about the same distance , and level in the opposite ...
Página 79
... direct performance . ― 2. A FIELD - CORPS in settled regions generally consists of one senior assistant or chief of corps , one transitman , one leveller , one rodman , two chainmen , one slopeman , and two or more axemen . The ...
... direct performance . ― 2. A FIELD - CORPS in settled regions generally consists of one senior assistant or chief of corps , one transitman , one leveller , one rodman , two chainmen , one slopeman , and two or more axemen . The ...
Página 96
... direct measurement be impracticable , range out the tangent BE , and , at any convenient point , measure the . distance from it square across to the proposed terminal tan- gent D F , say 56 feet . Then in the right triangle B E D , mak ...
... direct measurement be impracticable , range out the tangent BE , and , at any convenient point , measure the . distance from it square across to the proposed terminal tan- gent D F , say 56 feet . Then in the right triangle B E D , mak ...
Contenido
Definitions and principles | 3 |
Definitions | 11 |
ADJUSTMENT AND USE OF INSTRUMENTS | 21 |
Otras 13 secciones no mostradas
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