Babbitt, Arthur B. (Arthur Bradford), b. 1873 · New York, H. Holt and company · leaf 199
To construct a square,the length of the sides be-ing given—The line A Bis the length of one sideof the square. Erect aperpendicular to A B atthe point B. (Problem4.) With B as a center,draw an arc through A,cutting line B C at C.With A and C as centersand the same radius, 188 MECHANICAL DRAWING… … PROBLEM 15 To circumscribe a circleabout a triangle—Bisect twoof the sides of the triangle,as A B and B C. (Problem1.) With the intersectionof these bisectors, point D,as a center, draw an arcthrough point A. Thiswill be an arc of a circlepassing through A, B, and C. B PROBLEM 16 To circumscribe a…
Mechanical drawing
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