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form the subject of a further work. H. HOLT-BUTTERFILL. Greenwich, 1897. CONTENTS Introduction. THE VALUE OF A KNOWLEDGE OF DRAWING TO THE STUDENT PAGE CHAPTER I THE TOOLS AND MATERIALS REQUIRED BY THE STUDENT Drawing-Board Tee-Square Adjustable Bladed Square Set-Squares Pencils Drawing - Pins Paper Kubber Ink Drawing Instru- ments 1 11 CHAPTER II MECHANICAL AND FREEHAND DRAWING: THEIR DIFFERENCE AND USES The meaning of Freehand Drawing How objects are made visible What a Perspective is How a Perspective Drawing is obtained The use of a Perspective Drawing to the workman An Orthographic Projection, and how obtained The meaning of Plan and Elevation 12 16 CHAPTER III PRACTICAL GEOMETRY AND MECHANICAL DRAWING The meaning of the term "Geometry" The difference between Plane and Solid Geometry Definition of Geometrical terms used in the work Plane Geometrical Figures 1722 CHAPTER IV PLANE GEOMETRY PROBLEMS To divide a straight line into two equal parts To erect a perpendicular to a given straight line To let fall a perpendicular to a straight