Page:Sheet Metal Drafting.djvu/19

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RECTILINEAR FIGURES
5

be placed in its working position and one of the triangles placed against its working edge. In Fig. 9 is shown the correct position

Fig. 9.—Drawing Vertical Lines by the Use of T-Square and Triangle.
Fig. 10.—Method of Drawing Various Angles by Use of Triangles.

of the hands and the method of holding the pencil for drawing these lines.