Working drawings and how to make and use them (1881)
Haupt, Lewis M[uhlenberg], 1844- [from old catalog] · Philadelphia, J. N. Stoddard & co. · leaf 48
ven by their projec-tions after Y has been revolved into H, and the stu-dent is requested to indicate the position of the line in *Note the difference between the horizontal projecting -plane, and thehorizontal plane of projection (H ). AND HOW TO USE THEM. 33 space as well as to describe it,… … 109. Problem.— To find the point in which a givenright line pierces either plane of projection. Fig. 5. Principles.—It has already been shown (95) that thepoint in which a line pierces either plane of projection isa point of its projection on that plane; that if a pointis in either H or V, its…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
