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 42
TIIE VERNIER . 3 8 6 4 2 O 2 . 1. The vernier in the transit is a short graduated arc , movable around the graduated circle of the instrument , by means of which subdivisions of the circle graduation can be read .
TIIE VERNIER . 3 8 6 4 2 O 2 . 1. The vernier in the transit is a short graduated arc , movable around the graduated circle of the instrument , by means of which subdivisions of the circle graduation can be read .
Página 43
The 20 10 OZ vernier , together with a part of the graduated circle . vernier is a double one , for convenience in reading angles right or left . It will be observed that a space , equal to twenty - nine half degrees on the limb ...
The 20 10 OZ vernier , together with a part of the graduated circle . vernier is a double one , for convenience in reading angles right or left . It will be observed that a space , equal to twenty - nine half degrees on the limb ...
Página 71
Vernier will now read 10 ° right , and telescope will be in line C E. Make CE = 200 feet . Move to E. See that vernier still reads 10 ° right . BS to C , and turn 10 ° left . Vernier will now read zero , and telescope will be in line EG ...
Vernier will now read 10 ° right , and telescope will be in line C E. Make CE = 200 feet . Move to E. See that vernier still reads 10 ° right . BS to C , and turn 10 ° left . Vernier will now read zero , and telescope will be in line EG ...
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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 |