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SUBCOURSE EDITION - Modern Prepper

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. Now, carefully set 30 centimeters on the bar beam compass. Place the pinpoint exactly atone of the points where the 24 centimeter arc crosses the horizontal centerline. Swing an arc above andbelow the horizontal centerline. Then repeat the same procedure at the other 24 centimeter arc (fig 2-12). These arcs should cross the four arcs constructed in the previous step. The points where these arcscross are the four corners of the grid.Figure 2-12. Construct the north-south corners.c = 602 + 482c = 3600 + 2304c = 5904 cmc = 76.837 cm - diagonal measurement28

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