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 ix
... square root sign : it signifies that the square root of the quantity covered by it is to be taken . If preceded by a small secondary figure , called the index , as in the marginal figure , it indicates that the cube root of the quantity ...
... square root sign : it signifies that the square root of the quantity covered by it is to be taken . If preceded by a small secondary figure , called the index , as in the marginal figure , it indicates that the cube root of the quantity ...
Página xv
... square feet VII . Circular arcs to radius of 1 VIII . Feet in decimals of a mile • IX . Inches reduced to decimal parts of a foot X. Radii and their logarithms , middle ordinates , and deflection distances • · XI . Squares , cubes , & c ...
... square feet VII . Circular arcs to radius of 1 VIII . Feet in decimals of a mile • IX . Inches reduced to decimal parts of a foot X. Radii and their logarithms , middle ordinates , and deflection distances • · XI . Squares , cubes , & c ...
Página 15
... sum of the squares of those two sides and the square of the base , so is the radius to the cosine of the angle contained by the two sides . VII . SOLUTION OF PLANE TRIANGLES . 1. It is GENERAL PROPOSITIONS . 15 General propositions.
... sum of the squares of those two sides and the square of the base , so is the radius to the cosine of the angle contained by the two sides . VII . SOLUTION OF PLANE TRIANGLES . 1. It is GENERAL PROPOSITIONS . 15 General propositions.
Página 18
... square of the hypothenuse is equal to the sum of the squares of the remaining sides . 3. Another method for solving right - angled triangles is as follows : To find a side . Call any one of the sides radius , and write become sines ...
... square of the hypothenuse is equal to the sum of the squares of the remaining sides . 3. Another method for solving right - angled triangles is as follows : To find a side . Call any one of the sides radius , and write become sines ...
Página 28
... square of the distance . Calling the required correction A , for any given distance D , then A .000215 X D2 if D is in " stations , " and A = = 0.6 X D2 if D = .0215 ; for 50 stations , 0.5375 ; for 10 is in miles . Thus the correction ...
... square of the distance . Calling the required correction A , for any given distance D , then A .000215 X D2 if D is in " stations , " and A = = 0.6 X D2 if D = .0215 ; for 50 stations , 0.5375 ; for 10 is in miles . Thus the correction ...
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