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Lesson One-The Use Of The T-Square
Follow these steps carefully and do everything that you are told to do: FIRST: Place a sheet of paper on your drawing board and secure it to the board by means of the tape or the thumb tacks (one tack in each corner). There should be about an inch margin all around the paper; or, in other words, the paper should be 2 inches shorter and 2 inches narrower than the drawing board. SECOND: Hold the T-square in the position shown in the drawing A and draw a line clear across the paper, from left to right. Move the T-square up and down and draw six or seven other lines clear across the paper. THIRD: Take your ruler and measure off 9½ inches somewhere near the top of the paper. Do this by making two small points 9½ inches apart. Now bring the T-square up to these points and draw a line connecting them. This is the way to draw a line of a given length with your T-square. Practice by measuring off other distances, like 7¼ inches, 11 inches, etc., and draw lines connecting them. FOURTH: Now place the ruler in a vertical position at the left of the paper and mark off every half inch for four inches. You will have eight tiny points, one under the other. Now draw a line through each of these eight points with your T-square; you will then have eight parallel lines spaced a half-inch apart. Repeat this operation, marking off quarter-inch points instead of half-inch points. Mark off 16 points a quarter of an inch apart, one under the other, and draw the sixteen lines with your T-square. Now do the same thing with sixteenths of an inch and draw the thirty-two lines with the T-square. This is excellent practice in the use of the T-square. Are You Ready To Move Onto The Next Lesson? Click Here
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