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 x
... base , having a small nail sometimes driven flush in the top of it , and a blaze opposite , on which the eleva- tion is marked with kiel . T. P. Turning - point : usually marked in the field - book . P. I. Point of intersection : as of ...
... base , having a small nail sometimes driven flush in the top of it , and a blaze opposite , on which the eleva- tion is marked with kiel . T. P. Turning - point : usually marked in the field - book . P. I. Point of intersection : as of ...
Página 3
... base of the system . In the common system , this base is 10 . It follows from the above , that the logarithm of any power of 10 is equal to the exponent of that power . If , therefore , a number is an exact power of 10 , its logarithm ...
... base of the system . In the common system , this base is 10 . It follows from the above , that the logarithm of any power of 10 is equal to the exponent of that power . If , therefore , a number is an exact power of 10 , its logarithm ...
Página 15
... base . Also , as the sine of half the difference of the angles at the base is to the sine of half their sum , so is the difference of the sides about the vertical angle to the third side , or base . 5. In any plane triangle , as the base ...
... base . Also , as the sine of half the difference of the angles at the base is to the sine of half their sum , so is the difference of the sides about the vertical angle to the third side , or base . 5. In any plane triangle , as the base ...
Página 18
... base ; then say , conformably with proposition 5 , - As the base is to the sum of the two other sides , So is the difference of those sides to the difference of the segments of the base . Half the base added to half the said difference ...
... base ; then say , conformably with proposition 5 , - As the base is to the sum of the two other sides , So is the difference of those sides to the difference of the segments of the base . Half the base added to half the said difference ...
Página 34
... base of 153 - 1.0 = = 14.3 feet . But the rod at that point is only 11 feet , to which , if 1 foot , the distance of instrument below grade , be added , the height of embankment would be 12 feet . He may then , as in the case of the ...
... base of 153 - 1.0 = = 14.3 feet . But the rod at that point is only 11 feet , to which , if 1 foot , the distance of instrument below grade , be added , the height of embankment would be 12 feet . He may then , as in the case of the ...
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