tes. The extreme points S and +0.12 u are determined by the limits of the'in- straight-edge ruler may be employed clination of TN.) Draw also one of the and the inclinations be obtained, by using radius vectors from O as OS and divide the method of drawing parallels from a it into equal parts.… … 2d Problem. To determine with ra- curve were drawn according to the rule. The drawing is then complete. pidity a large number of cross-section areas, by aid of graphic processes only. Its use is explained as follows: This problem may be solved by aid of Let TjNj be a line of original surface. It is…
Engineering
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