International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 174
Curves.—Though this subjecthas been considered in the section on Surveying, yet someadditional matter may be of advantage in connection withthe subject of mapping. 1361. Map of Final Location.—In mapping a finallocation the measurements should be made from inter-section point to intersection pomt,… … FIG. 335. 764 MAPPING. are best determined by describing intersecting arcs fromthe tangent points as centers, with radii equal to that of thegiven curve. Let it be required to plat by tangents the followinglocation notes: Stations. Degree ofCurve. IntersectionAngle. Tangent. MagneticBearing. 25 +…
Railroad engineering
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