Inside Out Library · Explore

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 377

An illustration from A treatise on surveying, comprising the theory and the practice ;, 1887, leaf 377 — For greater heights, thetarget is fixed at six and a half feet, and the back part of the rod,which carries the target, is shoved up (Fig. 386) until the target isbisected by the cross-hairs. Its height is then read off on theside of the rod, on which the numbers run downward, and onwhich is a… … n

Surveying

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

More pictures from A treatise on surveying, comprising the theory and the practice ;

More like this