A course in mechanical drawing for evening schools and self-instruction (1896)
Rouillion, Louis · Boston, New York, The Prang educational company · leaf 45
r_ 111 i1 11 1 \ 1 ~7 1 _J ^! 1 11 11 1 ^—^ p ^ u---^ h r K … 38 COURSE IN MECHANICAL DRAWING. SCREW THREADS. In the figure opposite, let A B C D represent acylinder, and let the base line, D D, of the triangle beequal to the circumference of the cylinder. Imaginethe side B D of the triangle placed against theelement B D of the cylinder, and the triangle…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
