Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 241
FiQ. 203 8 and 9. The dovm cut andthe side cut for gutter boards.Draw an enlarged plan and ele-vation as in Fig. 202. Rotatethe sides osvp and ostq, succes-sively, on OS as an axis, untilthe required angles are parallelto H. This gives the anglesmarked 8 and 9 in the figure asthe true sizes. 10.…
Geometry, Descriptive
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