Practical geometry [electronic resource], Or, A new and easy method of treating that art. Whereby the practice of it is rendered plain and familiar, and the student is directed in the most easy manner through the several parts and progressions of it. Translated from the French of Monsieur S. Le Clerc. The fifth edition. Illustrated with eighty copper-plates. Wherein, besides the several geometrical figures, are contained may examples of landskips, pieces of architecture, perspective, draughts of figures, ruins, &c.