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 18
... application . 2. When two of the sides are given , the third may be found by means of the rule that the square of the hypothenuse is equal to the sum of the squares of the remaining sides . 3. Another method for solving right - angled ...
... application . 2. When two of the sides are given , the third may be found by means of the rule that the square of the hypothenuse is equal to the sum of the squares of the remaining sides . 3. Another method for solving right - angled ...
Página 19
... Applying this method to the right- angled triangle ABC , and calling the hypothenuse a radius , we shall have , ca sin ... application of these formulas ; they are often more convenient than logarithms in railroad practice , especially ...
... Applying this method to the right- angled triangle ABC , and calling the hypothenuse a radius , we shall have , ca sin ... application of these formulas ; they are often more convenient than logarithms in railroad practice , especially ...
Página 59
... Applying it here we have- HN EK : ANX NB : AK X KB . Call any segments A K , K B , of the chord , a and b . Then MM : : 4 C2 : ab , . ' . M ' == MX 4 ab ÷ C2 . Example . M = 1.528 , C = 100 , a = 60 , b = 40 ; to find M ' . M ' 1.528 X ...
... Applying it here we have- HN EK : ANX NB : AK X KB . Call any segments A K , K B , of the chord , a and b . Then MM : : 4 C2 : ab , . ' . M ' == MX 4 ab ÷ C2 . Example . M = 1.528 , C = 100 , a = 60 , b = 40 ; to find M ' . M ' 1.528 X ...
Página 84
... applications , such as the nice adjustment of line among buildings , on precipitous steeps , and 2. For office use , the writer prefers a home the like , will suggest themselves to the experienced reader . 84 THE CURVE - PROTRACTOR ...
... applications , such as the nice adjustment of line among buildings , on precipitous steeps , and 2. For office use , the writer prefers a home the like , will suggest themselves to the experienced reader . 84 THE CURVE - PROTRACTOR ...
Página 96
... application of the foregoing methods to urning obstacles on simple curves needs no special instance . XXVIII . TO SHIFT A P. C. SO THAT THE CURVE SHALL TERMINATE IN A GIVEN TANGENT . A B E 1. Suppose a 3 ° curve A B to have been located ...
... application of the foregoing methods to urning obstacles on simple curves needs no special instance . XXVIII . TO SHIFT A P. C. SO THAT THE CURVE SHALL TERMINATE IN A GIVEN TANGENT . A B E 1. Suppose a 3 ° curve A B to have been located ...
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