A treatise on land-surveying; comprising the theory developed from five elementary principles; and the practice with the chain alone, the compass, the transit, the theodolite, the plane table, &c. Illustrated by four hundred engravings, and a magnetic chart (1875)
Gillespie, W. M. (William Mitchell), 1816-1868 · New York, D. Appleton · leaf 86
When offsets from lines measured around a field are taken insidfof these bounding Imes, they are sometimes distinguished as Insets CHAP. III.] Offsets. 79 (119) Platting. The most rapid method of plattmg the offsets,is by the use of a Platting Scale (described in Art. 49) and anOffset Scale, which… … The platting scale is placed parallel to the line, with its zeropoint opposite to the beginning of the line. The offset scale issHd along the platting scale, till its edge comes to a distance onthe latter at which an offset had been taken, the length of which ismarked off with a needle point from…
Surveying
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
