Bowles's Principles of Drawing : Forming A Complete Drawing Book; Illustrated With A Curious Collection of Examples, Beginning With An easy and simple Method, calculated to Convey Instruction to Young Minds; By which they may acquire The Art without the Assistance of a Master. Every Branch of Drawing is contained in this Book ... Elegantly engraved on Sixty Folio Pages of Copper Plates, All From The Original Drawings of the most approves Masters. To which ist prefixed, An Introduction To Drawing: Containing Rules and Directions for the Choice of Instruments and Materials, and how to apply and manage them. With easy and proper Lessons for the Young Student