Practical engineering drawing and third angle projection, for students in scientific, technical and manual training schools and for ... draughtsmen .. (1897)
Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The author · leaf 39
^ found.To unite two inclined straight lines by an arc tangent to both, radius given. Prolongthe given lines to meet at a (Fig. 68). With a as a centre andthe given radius describe the arc m n. Parallels to the given lines andtangent to arc m n meet at d, from which perpendiculars to the givenlines…
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
