Adjustments of engineering instruments and field problems in surveying (1905)
Prouty, Edward N[athan] 1868- [from old catalog] · Oakland, Cal., Press of Daily gazette] · leaf 43
from D to F andback to A. Red ace the readings and compute the hori-zontal distances DF and AF and compare with the resultsobtained by triangulation. Compare also the differencesin elevation obtained by the two methods. Run a line of levels from D or A to F and return. Setbench-marks as often as… … I.—Latitude Coefficients to be Used With theRefraction Corrections in Declination. Latitude Coefficient Latitude Coefficient Latitude Coefficient o 0 0 15 N. •30 30 N. .65 45 N. 1.20 16 •32 31 .68 46 1.24 17 •34 i 32 •71 47 1.29 18 •36 33 •75 48 i-33 19 •38 34 .78 49 [.38 20 .40 35 .82 5° 1.42 21…
Surveying
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