in Drawing Columns, Spires, top of Towers, Steeples, &c. The Triangle is of admirable use in making the half Face; the Cylinder gives you assist∣ance in drawing Columns, Pil∣lars, Pilasters, and other things belonging to Architecture; the Poligon may be also used for Ground-Plats, Fortifications, &c. and Angles and Arches in Prospective.
These things premised, try to Draw several sorts of Fruits and Flowers, as Grapes, Cher∣ries, Peaches, Apples, Apri∣cots, Tulips, Pinks, &c. also Insects, Trees, Branches, and the like, and from these pro∣ceed to practice on Birds, Beasts, &c consider well their propor∣tion, colour, slowness, swistness, fierceness, and many other things natural to them, and the better at first, till your Mind