Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 97
Fig. 110, these points on each side will be the startingpoints for dividing the teeth, and will give the angle oftooth. II the toeth are marked out also on the joint of one-half of the pattern, and trimmed down to the line, it willbe an additional guide to cut the teeth by. The fact of the arms of… … SWEEPING DRUMS. PA TTEhW .MA kING. 5 7 SWEEPING STRAIGHT WINDING DRUMS. Fig. 111 shows one way of sweeping up hoistingdrums. The usual way is to allow one or two fingersfor sweeping the groove to travel the whole length ofdrum by means of a nut running on a long screw. Itwill be seen that the long…
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
