Notes on practical mechanical drawing, written for the use of the students in general engineering drawing in the University of Illinois (1907)
Wilson, Victor Tyson, 1864- [from old catalog] · State College, Pa., The author · leaf 95
gon has x sides, each interior angle = and second, that the diagonals drawn from any vertex of apolygon make the same angles with each other as with thesides meeting at that vertex. 86 Notes on Practical Mechanical Drawing To rectify an arc, in other words, to lay off on a straightHne the length of… … ^-do length. This is an approximation, and useful only for shortarcs. To draw an arc of given radius tangent to two givenoblique lines (see Fig. 14): Prolong the given lines to meetat 0. With O as a center, and the given radius, describean arc AB. Parallels to the given hnes, and drawn tangentto…
Mechanical drawing
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