Elements of precise surveying and geodesy
Mansfield Merriman's 1904 textbook on precise surveying and geodesy, published by Wiley in New York for engineering students and practising surveyors. The plates are line diagrams: lettered geometric constructions of meridians, zenith angles and ellipses, dashed circles marking swept arcs, and compass-point ray figures useful as spare technical ornament or schematic linework.
