The theory and practice of surveying. Designed for the use of surveyors and engineers generally, but especially for the use of students in engineering (1886)
Johnson, J. B. (John Butler), 1850-1902 · New York, J. Wiley & sons · leaf 226
llgiven in feet. The obstructions to chaining were about uni-form, so the courses are all given equal weight. In balancing,Rule Three must be used, since the errors are supposed. tocome only from the chaining. If the errors in latitude and departure had been distributedby Rule One, or in proportion… … Fig. 57.* *The lines MB and 00 in this figure are used in art. 186. f From the azimuth check here obtained, as compared to the errors in lat-itude and departure, decide whether the latter are due mostly to the chainingor whether the errors in azimuth have had an equal influence, and so…
Surveying
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