International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 48
^^; H 24\37.26 … inaccessible point H. The line A B crosses a dock O P, too 038 SURVEYING. wide for direct measurement, and the wharf L M. F is apoint on the Hne yi B at the wharf crossing. It is requiredto find the distance B //and the angle F FT G. At />, anangle of 103° 30 is turned to the left and the point…
Railroad engineering
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