Geometry/ education

Éléments du tracé Géométrique des ombres. Louis Aerts. Leuven, Auguste Fonteyn, 1881. Album on the geometrical methods for drawing of shadows for schools. In two volumes, only printed on recto. Illustrated front cover and title page of both volumes uniform. Vol. I, 63 pp. text and explanations; vol. II, 38 leaves, with the 38 accompanying illustrations. 30 x 23 cm.

(total 2)