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 49
oncentric circlesand from their common centre, 0, draw random radii, as 0 M, 0 T, OK. Where any radius, 0 M,meets the outer circle, drojD a perjaendicular M M^ to the longer axis, to meet a line m M^, parallelto the same longer axis and passing through m, where 0 M cuts the smaller circle. 132. If… … CONIC SECTIONS. 43
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
