Hydrographical Surveying ... Second and revised edition
A practical manual of hydrographical surveying by Sir William Wharton, Hydrographer to the Royal Navy, issued in a revised second edition by John Murray, London, 1898, for naval surveyors and chart makers. The plates are line diagrams of angles, arcs, station points and sounding geometry, lettered in italic capitals on plain grounds, useful as ready-made geometric marks and figure labels.
