A treatise on surveying, comprising the theory and the practice ; (1887)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, 1840- [from old catalog] ed · New York, D. Appleton and company · leaf 147
in thismethod, may be equidistant, as incommon ruled writing-paper) willnow represent meridians. Placethe center of the protractor on themeridian nearest to the station atwhich the angle is to be laid off, andturn it till the given number ofdegrees is cut by the meridian.Slide the protractor up or… … 211. Paper ruled into squares (as are sometimes the right-hand pages ofsurveyors1 field-books) may be usedfor platting bearings in the field.The lines running up the pagemay be called north and southlines, and those running acrossthe page will then be east andwest lines. Any course of thesurvey…
Surveying
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