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 19
... ADJUSTMENT AND USE OF INSTRUMENTS . IX.-XV. ADJUSTMENT AND USE RIGHT - ANGLED PLANE TRIANGLES . 19.
... ADJUSTMENT AND USE OF INSTRUMENTS . IX.-XV. ADJUSTMENT AND USE RIGHT - ANGLED PLANE TRIANGLES . 19.
Página 21
... and Selected, Applicable to Both the Standard and the Narrow Gauge, and Prepared with Special Reference to the Wants William Findlay Shunk. ADJUSTMENT AND USE OF INSTRUMENTS . IX.-XV. ADJUSTMENT AND USE OF INSTRUMENTS . IX . GENERAL ...
... and Selected, Applicable to Both the Standard and the Narrow Gauge, and Prepared with Special Reference to the Wants William Findlay Shunk. ADJUSTMENT AND USE OF INSTRUMENTS . IX.-XV. ADJUSTMENT AND USE OF INSTRUMENTS . IX . GENERAL ...
Página 22
... and Tables, Original and Selected, Applicable to Both the Standard and the Narrow Gauge, and Prepared with Special Reference to the Wants William Findlay Shunk . 3 ADJUSTMENT AND USE OF INSTRUMENTS . IX . GENERAL REMARKS.
... and Tables, Original and Selected, Applicable to Both the Standard and the Narrow Gauge, and Prepared with Special Reference to the Wants William Findlay Shunk . 3 ADJUSTMENT AND USE OF INSTRUMENTS . IX . GENERAL REMARKS.
Página 23
... ADJUSTMENT AND USE OF INSTRUMENTS . IX . GENERAL REMARKS ON ADJUSTMENTS . 1. Care should be taken in all instrumental adjustments , where screws work in pairs , to loosen one before tightening its opposite . 2. Remember that the eye ...
... ADJUSTMENT AND USE OF INSTRUMENTS . IX . GENERAL REMARKS ON ADJUSTMENTS . 1. Care should be taken in all instrumental adjustments , where screws work in pairs , to loosen one before tightening its opposite . 2. Remember that the eye ...
Página 24
... adjustment , test the former one on a distant object , and , if necessary , repeat the operations . 3. In the transit , the small guide - ring screws used for this adjustment are covered by the bulb of the cross - bar in which the ...
... adjustment , test the former one on a distant object , and , if necessary , repeat the operations . 3. In the transit , the small guide - ring screws used for this adjustment are covered by the bulb of the cross - bar in which 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