International Library of Technology · Scranton, International Textbook Co. · leaf 97
ly about .022 inch, and the material shouldbe the best soft charcoal iron, specially manufactured for thepurpose. The outer disks being usually unsupported at theouter edge, thicker sheets should be used, about ^ inchthick. Three of these at each end will be enough to holdup the teeth and prevent… … Fig. 1367.are threaded over two spiders s, s having each four arms.Each spider has a ring r r at the back, which is faced up in DYNAMO-ELECTRIC MACHINE DESIGN. M73 the lathe, and the edges of the arms are also turned true, sothat the disks will slide over them and fit accurately, Asmall key k runs…
Electrical engineering
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