you. The lines which you intend to place on it may be worth infinitely more than the goods he plans to wrap in it.
~~The Chalk.~~
The writer is accustomed to using chalk made by the American Crayon Company, which can be had at any time from the publishers of this book, and, doubtless, from other publishers. Ask for "lecture crayons." A complete price list, together with samples of colors, will be furnished on request. For general work it is well to have on hand a half dozen sticks of black and a stick each of green, brown, red, yellow, orange and blue. The lecture crayons come in two sizes, one measuring one inch square and three inches long; the other is one-half inch square and three inches in length. If you choose the larger size, the sticks can, when advisable, be cut to the smaller size.
PREPARING TO GIVE THE TALK
The instructions here given are for the beginner. Others will follow their accustomed methods. In our introduction we make the claim that any earnest Christian worker, who is capable of addressing an audience or a Sunday school class can, by the aid of this book, give a helpful chalk talk.
Your response may be, "But, I can't draw." Listen! The following instructions will teach you how to do the work without a technical or practical knowledge of drawing. Let us take up the matter step by step. When you understand the process, it will be "as easy as falling off a log," and it won't jolt you half as much.
~~The Method Explained.~~
THE FIRST STEP--Before the time comes to give your talk, attach half a dozen sheets of your drawing paper to your drawing board, making a smooth drawing surface. It is well to use thumb tacks for this purpose. Open the book to page 26, for we will prepare to give the chalk talk entitled "The Two Faces." The upper picture. Fig. 7, shows the picture partly finished; the lower picture, Fig. 8, shows how the picture will look when completed. You will note that the lower picture is cut up into squares measuring one-fourth of an inch each way.
THE SECOND STEP--By the use of a yardstick and lead pencil, draw pencil lines on the large sheets of drawing paper, so as to separate the drawing paper into the same number of squares as there are on the picture in the book. Your paper is much larger than the page of the book; therefore the squares on your drawing paper must be made much larger than the squares in the book. It is easy to calculate the size of the squares you should draw on the paper. Measure the width of the paper in inches and divide by sixteen (the number of squares across the picture in the book), and this will give you the figure representing the size of the squares you are to draw on the paper. If your drawing paper is thirty-two inches wide, your squares will measure two inches each way.
THE THIRD STEP--Select one of the squares in Fig. 8 as a starting point, and then find the corresponding square on your drawing paper. Having done this, draw a pencil line on your drawing paper, which will cross your enlarged squares in just the same places that the line crosses the small squares in the book. Continue the process until both faces have been outlined on your paper in the enlarged form. Then, with a piece of soft rubber, erase all of the straight pencil lines which form the squares, and the remaining outlines of the two faces will stand out clear and distinct. Already you will have found that you are more of an artist than you thought you were! This sheet of paper, with its dim pencil outlines of the picture, is now ready to be brought before your audience. You must, however, be sure of one thing: the pencil outlines must be just plain enough for you to see them without difficulty, but they must be dimmed with the eraser to such an extent that your audience cannot see them. Thus you have before you a complete outline of the picture you are to draw, and, as you speak, you merely trace over these dim pencil outlines with your chalk. Isn't it simple?
THE FOURTH STEP--All of the preparations up to this time have been done in the quietude of your own room. You are now ready to place your drawing board before your audience. After a smile of greeting you begin your talk. "Let us," you say, "talk for a little while about our thoughts," and then you proceed until you reach the reference to the sour-faced man. "Here, for instance," you continue, "is a man with a face something like this:" and you begin your
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