A practical course in mechanical drawing for individual study and shop classes, trade and high schools (1912)
Willard, William Franklin, 1879- · Chicago : Popular mechanics company · leaf 21
Fig. 2 Exercise 2,—Erect a perpendicular to a given line(Problem i.) Fig. 2. Second method. Construction:From a given point E outside the given line AB draw aline at any angle to AB. Bisect and inscribe a circle 17 18 A PRACTICAL COURSE IN about CD. Where the circle cuts AB is a point of the±… … Fig:. 3 B on the given line and a radius equal to BX describearc. From X and same radius describe a similar arcthrough B. Lay off BY on second arc = to AX. Aline drawn through X and Y is ^ to AB. Fig. 4. Second method. Construction: Draw a line makingany angle with AB. With C as center and any…
Mechanical drawing
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