- Sl. yellowed; upper pastedown loosening; waterstained in inner blank margin at the very beginning; date in ballpoint on upper pastedown. Vellum sl. stained/ darkened; top of spine dam.; old annot. in pen and ink on backcover.
= Bierens de Haan 1764. Contains i.a. sections on astronomy, navigation at sea, fortification, on sundials (gnomonics), perspective drawing, dioptrics and mechanics.