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 40
dent results. Obtain a series of atleast ten determinations of the azimuth, checking backon the base at the close of the series to see that the ver-nier still reads zero. Form of Notes. Time s Eefr. Cok Peel.Setting Azim.of Base Needle 2:00m. -h/7.^2 0.°03 + IZ25 347/6 5 I2S E 347/7 etc. 347/5 etc.… … Set up over a designated hub, measure the altitude ofthe sun and simultaneously read itsazimuth from a given base whoseassumed azimuth will be zero. Goodresults will be obtained only fromtwo to four hours before or afternoon. As the altitude and azimuthmust be obtained at the sameinstant, some…
Surveying
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