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 Engineer |
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Página 18
First Method . Assume the longest of the three sides as base ; then say , conformably with proposition 5 , As the base is to the sum of the two other sides , So is the difference of those sides to the difference of the segments of the ...
First Method . Assume the longest of the three sides as base ; then say , conformably with proposition 5 , As the base is to the sum of the two other sides , So is the difference of those sides to the difference of the segments of the ...
Página 94
SECOND METHOD . Having , as in the first method , judged that stake 27 , marked D , must fall on accessible ground , and thus determined the central angle subtended by the arc BD , refer to Table XVI . for the tangent of ...
SECOND METHOD . Having , as in the first method , judged that stake 27 , marked D , must fall on accessible ground , and thus determined the central angle subtended by the arc BD , refer to Table XVI . for the tangent of ...
Página 111
By the method in ( 4 ) , this calls for a shift of the P. T. 50 feet ahead on the 4o curve , making the new P. T. 21.80 + 0.30 stake 25.30 , and advances the P. T. of the 6o curve to stake 29.43 of that numeration .
By the method in ( 4 ) , this calls for a shift of the P. T. 50 feet ahead on the 4o curve , making the new P. T. 21.80 + 0.30 stake 25.30 , and advances the P. T. of the 6o curve to stake 29.43 of that numeration .
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Contenido
LOGARITHMS | 3 |
PLANE TRIGONOMETRY | 11 |
ADJUSTMENT AND USE OF INSTRUMENTS | 23 |
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The Field Engineer, a Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2017 |
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2018 |
Términos y frases comunes
4º curve added adjustment angle base called central angle centre chord circle cloth column connecting corresponding Cosine Cotang Cubes decimals deflection degree of curvature determine difference direct distance divided Draw elevation engineer equal equivalent error Example feet feet long field figure fixed follows frog gauge given gives grade ground half Hence Illustrated inches length logarithm mark means measure method middle minutes Move multiplied natural necessary Note observation opposite ordinate parallel practice quotient radii radius rail range Roots rule screws side Sine slope Square stake straight stretch Suppose switch-rail Table Table XVI Tang tangent telescope terminal tion track transit triangle turn vernier vertical whole
Información bibliográfica
| Título | 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 Engineer |
| Autor | William Findlay Shunk |
| Edición | 2 |
| Editor | D. Van Nostrand, 1882 |
| Procedencia del original | Universidad de California |
| Digitalizado | 7 Dic. 2007 |
| Largo | 325 páginas |
| Exportar cita | BiBTeX EndNote RefMan |