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 EngineerD. Van Nostrand Company, 1890 - 339 páginas |
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Página ix
... Divided by . Equal to . ... Since , or seeing that . .. Hence , or therefore . : Indicates the quotient of one divided by the other of the quantities it connects , called sometimes the ratio of the quan- tities . :: Indicates an ...
... Divided by . Equal to . ... Since , or seeing that . .. Hence , or therefore . : Indicates the quotient of one divided by the other of the quantities it connects , called sometimes the ratio of the quan- tities . :: Indicates an ...
Página 4
... divided by the index of the root . 6. The preceding principles enable us to abridge labor in arithmetical calculations , by using simple addition and sub- traction instead of multiplication and division . II . MANNER OF USING THE TABLES ...
... divided by the index of the root . 6. The preceding principles enable us to abridge labor in arithmetical calculations , by using simple addition and sub- traction instead of multiplication and division . II . MANNER OF USING THE TABLES ...
Página 11
... divided into 360 equal parts called degrees ; 90 of these parts are included in a quadrant , which includes one - quarter of the circle , and is the measure of a right angle . Each degree is further divided into 60 equal parts called ...
... divided into 360 equal parts called degrees ; 90 of these parts are included in a quadrant , which includes one - quarter of the circle , and is the measure of a right angle . Each degree is further divided into 60 equal parts called ...
Página 12
... divided by that radius . 7. Arcs greater than half a circle are not treated in this book , for the reasons that they seldom occur in field practice , and that any young engineer , conversant with the methods herein given , will , it is ...
... divided by that radius . 7. Arcs greater than half a circle are not treated in this book , for the reasons that they seldom occur in field practice , and that any young engineer , conversant with the methods herein given , will , it is ...
Página 18
... divided into two , each of which falls under the first case . Or they may be solved by the simpler methods applica- ble to right - angled triangles . Second Method . 7. Find any one of the angles by means of proposition 6 , and the ...
... divided into two , each of which falls under the first case . Or they may be solved by the simpler methods applica- ble to right - angled triangles . Second Method . 7. Find any one of the angles by means of proposition 6 , and the ...
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Términos y frases comunes
A. D. MIN adjustment apex distance backsight called central angle CHORD column Cosine 1 Sine cross-hair Cube Roots decimal deflection distance degree of curvature degree of curve Diff divided engineer equal error Example feet figure fixed FOOD foregoing formation slope frog angle gauge of track gauge side ground Hence inches index angle instrument height intersection angle located logarithm Main frog dist mantissa mark measure method metres metric curve middle frog middle ordinate middle point minutes multiplied natural sine number corresponding observation opposite outer rail parallel perpendicular plane triangle Polaris quotient radii radius range REVERSED CURVE rule Sine 1 Cotang Square Roots sub-chord subtended Subtract Suppose switch-rail Table XVI tabular tance Tang tangential angle tangential distance telescope terminal tangent tion toe of switch transitman Trigonometry turnout curve vernier vertical ΙΟ