The Field Engineer: A Handy Book of Practice in the Survey, Location, and Track-work of Railroads : Containing a Large Collection of Rules and Tables, Original and Selected, Applicable to Both the Standard and the Narrow Gauge, and Prepared with Special Reference to the Wants of the Young EngineerVan Nostrand, 1882 - 6 páginas |
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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 49
... as axiomatic . B 1 D F H K E N 1. In any circle a tangent is perpendicular to radius at the tangent point . Thus , BI is perpendicular to BC . 49 2. Tangents drawn to a circle from the same point Propositions relating to the circle.
... as axiomatic . B 1 D F H K E N 1. In any circle a tangent is perpendicular to radius at the tangent point . Thus , BI is perpendicular to BC . 49 2. Tangents drawn to a circle from the same point Propositions relating to the circle.
Página 50
... circle from the same point are equal . Thus , IB = IE . 3. The angle DIE , at the intersection of tangents , is ... circle is divided , for convenience , into 360 equal parts , called degrees . A circle 36,000 feet in circumference would ...
... circle from the same point are equal . Thus , IB = IE . 3. The angle DIE , at the intersection of tangents , is ... circle is divided , for convenience , into 360 equal parts , called degrees . A circle 36,000 feet in circumference would ...
Contenido
Definitions and principles | 3 |
Definitions | 11 |
ADJUSTMENT AND USE OF INSTRUMENTS | 21 |
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Otras ediciones - Ver todas
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2015 |
The Field Engineer, a Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2016 |
Términos y frases comunes
100 feet long 100-feet chords called central angle chord 100 feet column cross-hair Cube Roots decimals deflection angle deflection distance degree of curvature degree of curve Diff divided elevation engineer equal Example feet 8 inches figure find the radius fixed foregoing frog angle Full Gauge gauge of track gauge side grade ground Hypsometry index angle instrument intersection angle length of switch-rail located logarithm magnetic bear Main frog dist main track mantissa mark measure method middle frog middle ordinate middle point minutes Multiply outer rail parallel perpendicular quotient radii radius REVERSED CURVE screws Sine 1 Cotang Square Roots stake standard gauge 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 ΙΟ ΤΑΝ