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 |
Dentro del libro
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Página 25
Clamp the instrument over either pair of levelling screws , and bring the bubble to the middle of its tube . Turn the telescope slightly on its bearings , so that the bubble - case shall project a little on one side or the other .
Clamp the instrument over either pair of levelling screws , and bring the bubble to the middle of its tube . Turn the telescope slightly on its bearings , so that the bubble - case shall project a little on one side or the other .
Página 131
Divide the remainder by radius ; call the quotient b . Subtract b from a : the remainder will be the natural cosine of the main frog angle . 13. To find the Angle of the Middle Frog , in the Case of a Double Turnout .
Divide the remainder by radius ; call the quotient b . Subtract b from a : the remainder will be the natural cosine of the main frog angle . 13. To find the Angle of the Middle Frog , in the Case of a Double Turnout .
Página 138
Set off G D , equal to CG , along the side - track line , and drive a pin at D. Stretch the cord from C to D. Mark the middle point of it at K , and drive a pin at N , half - way between K and G. Stretch the cord from C to N , and from ...
Set off G D , equal to CG , along the side - track line , and drive a pin at D. Stretch the cord from C to D. Mark the middle point of it at K , and drive a pin at N , half - way between K and G. Stretch the cord from C to N , and from ...
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Contenido
LOGARITHMS | 3 |
PLANE TRIGONOMETRY | 11 |
ADJUSTMENT AND USE OF INSTRUMENTS | 23 |
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Otras ediciones - Ver todas
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 |