Elements of surveying and levelling; with descriptions of the instruments and the necessary tables (1870)
Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes & Company · leaf 137
rture of that course, the work is knownto be right. Let us now form a new table, which will complete thearithmetical part of the work. sta. Bearings. Dist. Dif. Lat. D. M. D. Area. j Area. i 1 N 31i° W 10.40 + 8.86 + 5.44 48.1984 2 :N62° e 9.20 + 4.31 + 8.12 34.9972 3 S 36° E 7.60 -6.15 + 20.70… … Plotting. 99. It now only remains to makea plot of the ground. For this purpose, draw any line, asNS, to represent the meridian passingthrough the principal station; and onthis line take any point, as J?, to repre-sent that station. FIRST METHOD. Having fixed upon the scale on which the plot is to…
Surveying
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