Description d'un graphometre universel : nouvel instrument, propre à dessiner toutes sortes d'objets de la maniere la plus exacte, et la plus prompte (1778)
Eckhardt, Antoine George, approximately 1740-approximately 1810, creator · Imprimé à la Haye : Chez J.H. Munnikhuizen · leaf 34
Drawing instruments -- Early works to 1800 · Copying processes -- Early works to 1800 · Drawing -- Technique -- Early works to 1800 · Medical Illustration · Copying processes · Drawing instruments
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
