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 |
Dentro del libro
Resultados 1-5 de 43
Página xii
... length , the degree , & c . , of a curve PAGE • 30 36 40 40 40 41 • 42 42 43 44 44 44 350 49 50 E2 52 Given the intersection angle I and radius R , to find the tangent T Given the intersection angle I and tangent T , to find the radius ...
... length , the degree , & c . , of a curve PAGE • 30 36 40 40 40 41 • 42 42 43 44 44 44 350 49 50 E2 52 Given the intersection angle I and radius R , to find the tangent T Given the intersection angle I and tangent T , to find the radius ...
Página xv
... length of 100 feet , and of various widths . VI . Acres , roods , and perches in 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 ...
... length of 100 feet , and of various widths . VI . Acres , roods , and perches in 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 ...
Página 25
... rude device . With so short a leverage as the length of the common adjust- manageable motion . They reproach the instrument - maker's art ing - pin supplies , it is almost impossible to give them a smooth , THE LEVEL . 25 25.
... rude device . With so short a leverage as the length of the common adjust- manageable motion . They reproach the instrument - maker's art ing - pin supplies , it is almost impossible to give them a smooth , THE LEVEL . 25 25.
Página 42
... length to nine of these parts is divided also into ten equal parts . The sub- divisions of the latter scale will then each be nine - tenths as large as the subdivisions of the former ; and if the graduated edges are placed together ...
... length to nine of these parts is divided also into ten equal parts . The sub- divisions of the latter scale will then each be nine - tenths as large as the subdivisions of the former ; and if the graduated edges are placed together ...
Página 51
... length from the arc subtended by it , the bow being more and more arched in relation to the string . Thus , in the circle having a radius equal to one - twentieth of the primary radius , the chord 100 feet long subtends an angle of 20 ...
... length from the arc subtended by it , the bow being more and more arched in relation to the string . Thus , in the circle having a radius equal to one - twentieth of the primary radius , the chord 100 feet long subtends an angle of 20 ...
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