based on the work of two important French 18th-century cartographers">Cartographic manuscript to teach engineer-geographers to "centrer" (bisect?) angles and triangulate,
based on the work of two important French 18th-century cartographers
[MANUSCRIPT - CARTOGRAPHY].
Memoire sur la manière de centrer les angles et de calculer les triangles selon la direction de la méridienne et de la perpendiculaire à l 'usage des ingenieurs-géographes.
[France, ca. 1750/99]. Folio. Manuscript in French on thick paper, written in a neat 18th-century cursive hand. With 5 manuscript plates, showing 14 geometrical figures. Sewn in quires and stored loose in a portfolio covered with grey paper, grey cloth ties, paper label on the front board. [2 blank], [1], [1 blank], 61, [3 blank] pp. Full description
€ 2,750
[France, ca. 1750/99]. Folio. Manuscript in French on thick paper, written in a neat 18th-century cursive hand. With 5 manuscript plates, showing 14 geometrical figures. Sewn in quires and stored loose in a portfolio covered with grey paper, grey cloth ties, paper label on the front board. [2 blank], [1], [1 blank], 61, [3 blank] pp. Full description