Fairbairn, William, Sir, 1789-1874 · London, Longman, Green, Longman, Roberts & Green · leaf 63
milar circles K p, c Q, he;then the surfaces KPKHand KLNHwill be developements ofthe frustra CD, c B. Let these be treated as spur wheels, andc Q, c M being treated as the pitch lines, let teeth be described bya describing circle in the method already explained for epicy-cloidal or other teeth. If,… … the circular aiiuuli may be wrapped round the frustra c B, C d,and the forms of the teeth traced off upon them. Fjs. 201.
Mills and mill-work · Machinery
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