The Field Engineer: A Handy Book of Practice in the Survey, Location, and Trackwork of Railroads; Containing ... Rules and Tables ... Applicable to ... the Standard and the Narrow Gauge ... |
Dentro del libro
Resultados 1-5 de 14
Página xi
To adjust the wyes ; or , in other words , to bring the telescope into a position at
right angles to the vertical axis of the instrument . . . XI . Levelling . . . . . . . . .
Correction for the earth ' s curvature and refracde PAGE XII . Setting slope stakes
.
To adjust the wyes ; or , in other words , to bring the telescope into a position at
right angles to the vertical axis of the instrument . . . XI . Levelling . . . . . . . . .
Correction for the earth ' s curvature and refracde PAGE XII . Setting slope stakes
.
Página 23
Remember that the eye - piece inverts the image of the cross - hairs , and that
consequently any movement of it , by means of the small capstan head screws on
the outside of the telescope - barrel , should be in the direction which would
seem ...
Remember that the eye - piece inverts the image of the cross - hairs , and that
consequently any movement of it , by means of the small capstan head screws on
the outside of the telescope - barrel , should be in the direction which would
seem ...
Página 24
TO BRING THE INTERSECTION OF THE CROSS - HAIRS INTO THE OPTICAL
AXIS OF THE TELESCOPE . 1 . Set the instrument firmly , cast loose the wyes ,
and , by levelling and tangent screws , bring either of the cross - hairs to coincide
...
TO BRING THE INTERSECTION OF THE CROSS - HAIRS INTO THE OPTICAL
AXIS OF THE TELESCOPE . 1 . Set the instrument firmly , cast loose the wyes ,
and , by levelling and tangent screws , bring either of the cross - hairs to coincide
...
Página 25
TO BRING THE LEVEL BUBBLE PARALLEL WITH THE TELESCOPE AXIS . 5 .
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 ...
TO BRING THE LEVEL BUBBLE PARALLEL WITH THE TELESCOPE AXIS . 5 .
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 ...
Página 26
Having thus completed the principal adjustments in their proyer order , bring the
telescope and its bubble - case as nearly vertical in the wye bearings as hand
and eye can make them , and by reference to a plumb - line , or the corner of a
well ...
Having thus completed the principal adjustments in their proyer order , bring the
telescope and its bubble - case as nearly vertical in the wye bearings as hand
and eye can make them , and by reference to a plumb - line , or the corner of a
well ...
Comentarios de la gente - Escribir un comentario
No encontramos ningún comentario en los lugares habituales.
Otras ediciones - Ver todas
The Field Engineer: A Handy Book of Practice in the Survey, Location and ... William F. Shunk Sin vista previa disponible - 2008 |
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2017 |
Términos y frases comunes
4º curve added adjustment angle application base called central angle centre CHORD circle cloth column connecting corresponding Cosine Cotang Cube Roots decimal deflection difference direction distance divided Draw elevation engineer equal equivalent error Example feet field figure fixed follows frog gauge given gives grade ground half height Hence Illustrated inches indicate intersection length located logarithm mark means measure method middle Mile minutes Move multiplied natural Note observation opposite ordinate outer rail parallel practice quotient radii radius range remainder rule screws side Sine slope Square stake straight stretch Subtract Suppose switch-rail Table Table XVI taken Tang tangent telescope terminal tion track triangle turn turnout vernier vertical
Pasajes populares
Página 18 - ... the square of the hypothenuse is equal to the sum of the squares of the other two sides.
Página 4 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Página 11 - ... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and fourteen seconds, would be written 10° 18
Página 4 - The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers. log» MN = log» M + log
Información bibliográfica
| Título | The Field Engineer: A Handy Book of Practice in the Survey, Location, and Trackwork of Railroads; Containing ... Rules and Tables ... Applicable to ... the Standard and the Narrow Gauge ... |
| Autor | William Findlay Shunk |
| Editor | D. van Nostrand, 1880 |
| Procedencia del original | Universidad de Michigan |
| Digitalizado | 29 Mayo 2007 |
| Largo | 318 páginas |
| Exportar cita | BiBTeX EndNote RefMan |