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 ...D. van Nostrand, 1880 - 318 páginas |
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Página v
... circle , are tools of the craft in constant use ; ready han- dling of them is an indispensable condition of excellence . Be not discouraged by obscurities and difficulties at the outset ; light will gradually break on the scrutinizing ...
... circle , are tools of the craft in constant use ; ready han- dling of them is an indispensable condition of excellence . Be not discouraged by obscurities and difficulties at the outset ; light will gradually break on the scrutinizing ...
Página xii
... CIRCLE . XVI . Propositions relating to the circle XVII . Circular curves on railroads • XVIII . To find the radius , the apex distance , the length , the degree , & c . , of a curve PAGE • 30 36 40 40 40 41 • 42 42 43 44 44 44 350 49 ...
... CIRCLE . XVI . Propositions relating to the circle XVII . Circular curves on railroads • XVIII . To find the radius , the apex distance , the length , the degree , & c . , of a curve PAGE • 30 36 40 40 40 41 • 42 42 43 44 44 44 350 49 ...
Página 11
... circle included between its sides ; the centre of the circle being at the vertex , and its radius being 1. The circle , for convenience , is divided into 360 equal parts called degrees ; 90 of these parts are included in a quadrant ...
... circle included between its sides ; the centre of the circle being at the vertex , and its radius being 1. The circle , for convenience , is divided into 360 equal parts called degrees ; 90 of these parts are included in a quadrant ...
Página 12
... circle through the other extrem- ity : the sloping line which thus limits the tangent is called the secant of the angle . AT is the tangent and OT the secant of the angle MO A. The versed sine of an angle is that part of the diameter AP ...
... circle through the other extrem- ity : the sloping line which thus limits the tangent is called the secant of the angle . AT is the tangent and OT the secant of the angle MO A. The versed sine of an angle is that part of the diameter AP ...
Página 40
... circle plates be out of parallel , should one or the other be sprung , a defect shown by a slight rocking motion when the rims are pinched alternately on op- posite sides , the instrument must be sent to the shop for repair . This is a ...
... circle plates be out of parallel , should one or the other be sprung , a defect shown by a slight rocking motion when the rims are pinched alternately on op- posite sides , the instrument must be sent to the shop for repair . This is a ...
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
100 feet long 100-feet chords adjustment apex distance called central angle column Cosine 1 Sine Cotang cross-hair Cube Roots decimals deflection distance degree of curvature DEGREE OF CURVE Diff divided elevation engineer equal Example feet figure fixed foregoing frog angle Full Gauge gauge of track gauge side gent ground index angle instrument intersection angle length of switch-rail located logarithm M.
M. I Sine Main frog dist mantissa mark measure method middle frog middle ordinate middle point minutes Multiply observation outer rail parallel perpendicular quotient radii radius range Reciprocals REVERSED CURVE right triangle screws slope Square Roots standard gauge straight line 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 vertical ΙΟ ΤΑΝ
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