Anthony, Gardner Chace, 1856- [from old catalog], Ashley, George Francis, [from old catalog] joint author · Boston, D. C. Heath & co. · leaf 47
the plane withpoint h thereon be revolved into H about HNas an axis, the point will move in a plane per-pendicular to ffiV, and will lie somewhere inh%. Its position in this line must be deter-mined by finding the true distance of the pointfrom HN^. This distance will equal the hy-potenuse of a… … ANGLE BETWEEN LINES 31 equal to ch^ and perpendicular to h^d^ the lengthrequired, de^ is determined, and when laid offon dh^ from c?, will locate the revolved positionof point h. If it were required to revolve the point intoF about FiVas an axis, it would lie at h in aperpendicular to VN through…
Geometry, Descriptive
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
