[ÉCOLE POLYTECHNIQUE] || HUBERT, Charles Louis. Épures - Ecole Polytechnique – 1860-61. 1860-61.

Collection of drawings, by Charles Louis Hubert (X-1859).
The structure of these drawing as taught at the Ecole Polytechnique is often the same, with parts more or less developed, and drawings more or less elaborate according to the times and students.
We thus find drawings of curves, surfaces, perspectives, shadows, stone cut, architecture, machine and gears, topography and fortifications.
In this collection are the 18 architectural plates, and 6 on topography.