Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 116
ii || the top and bottom of the thread respectively. Divide these into any number of equal parts and also the pitch Pinto the same number of equal parts. Through these divisions draw hors. and pers. intersecting each other in the points as ORTHOGRAPHIC PROJECTION. 101 shown by Fig. 137, which shows… … Fig. 139. PROB. 22.—To draw the proj. of a square-threaded screw3 diam. and I. pitch and also a section of its nut. The method of construction is the same as for the lastproblem, and-is illustrated by Fig. 138. PROB. 22.—To draw the projections of a square doublethreaded screw of 3 diam. and 2…
