HOW TO READ A DRAWINGCHAPTER IMethod of Representing ObjectsIt is my intention to explain in this work the method by which an object may be described by a drawing.The branch of drawing about to be explained is known as Projection Drawing, as projection drawing not only enables those who are familiar with it to know exactly what the object represented looks like, but also shows the object in such a manner that the surfaceor any line or angle of 11" 5*the object can be readily measured on the drawing.There is, however, another branch of drawing, called Perspective Drawing, that is very useful in showing what an object looks like, but would be of very little use to those who wish to construct the object so represented. Even those who are thoroughly familiar with perspective drawing would have great difficulty in measuring or determining the size of the object represented, for, while they might know positively that the two ends were of the same size or that the tops or bottoTable of Contents CONTENTS; CHAPTER PAGE; I Method of Representing Objects ' 7; II Lines Used in Projection Drawing 12; III Views Needed 15; IV Universally Used Structural Shapes 17; V Scales Used is Drawing 22; VI Bolts, Nuts, Rivets, etc 25; VII Structural Details 31; VIII Mechanical Drawings 43; IX Gearing; Finishing; Storage Tank; and Valve 47; X Architectural Drawing- 54About the Publisher Forgotten Books is a publisher of historical writings, such as: Philosophy, Classics, Science, Religion, History, Folklore and Mythology.Forgotten Books' Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the difficult to read tex