A treatise on surveying, comprising the theory and the practice
A surveying textbook by William Mitchell Gillespie, revised by Cady Staley and issued by D. Appleton in New York in 1906 for engineering students and field surveyors. The plates are engraved line diagrams: triangulated sightlines with lettered stations, circles and arcs, ruled hatching for ground and water, and a polar star chart with dashed rays and hour markings.
