The draughtsmen's assistant [electronic resource] : Or, Drawing made easy: wherein the principles of that art are rendered familiar; in instructive lessons, comprised under the following heads: 1. Features and limbs. 2. Profiles and ovals. 3. Whole figures. 4. Drapery. 5. Light and shade. 6. Landscapes. 7. Perspective. 8. Enlarging and contracting. 9. Imitation of life. &c. explained by a great variety of examples from the most approved designs, on seventy-two copper-plates, neatly engraved: with a suitable introduction on the utility of this noble art. And observations on design, as well in regard to theory as practice. By the author of the artist's assistant.