Notes for mechanical drawing; arranged for the use of the students of the Mechanic arts high school and the Evening school of trades (1904)
Mathewson, Frank E. (Frank Elliott), b. 1869 · Springfield, Mass. · leaf 86
d rad. 2-1. draw arc 1-3 ; with centers at 1 and 3,draw arcs 2-8 and 2-7; with 7 and 8 as centers, draw lines tangent to line 1-3. In Fig. 4, with center on the center line of bolt and rad. = 3-A, (w) draw an arctangent to line 3-4; bisect lines 2-3 and 4-5 in Fig. 3 at 9 and 10, and draw lines… … MECHANICAL DRAWING 41
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
