A treatise on levelling, topography, and higher surveying (1876)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, b. 1840, ed · New York, D. Appleton and company · leaf 69
top or bottom of thefinished work, is marked on these stakes cut, or fill, or the signs -f- or —. The places of the stakesare found by trial. (SeeGillespies Eoad-making,p. 145.) These stakes are.set to prepare the workfor contractors. When thework is nearly finished,other stakes are set at theexact… … LEVELLING LOCATION. 51 shape. Take the heights of each of these stakes and movethem outward such distances that cutting down from themwith the proper depth and slope will bring you to the desiredbottom angle. (84.) To locate a Level-Line. This consists in determiningon the surface of the ground a…
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-18-28.webp)
