Recueil de Planches sur les Sciences, les Arts Libéraux, et les Arts Méchaniques, avec leur explication

Denis Diderot, and Jean Le Rond D'Alembert wrote an encyclopedia titled Recueil de Planches sur les Sciences, les Arts Libéraux, et les Arts Méchaniques, avec leur explication, A Paris, Chez Le Breton, Imprimeur du Roy, 1763. The work included many illustrations which were engravings after other artists. One section illustrated drawings from which an aspiring artist could learn to draw. The plate shown is the general proportions of a man.

The print is available on Ebay.

Diderot Pictorial Encyclopedia of Trades and Industry, Vol. 2 (Dover Pictorial Archives)