Fairbairn, William, Sir, 1789-1874 · London, Longman, Green, Longman, Roberts & Green · leaf 63
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. … The axes of bevel wheels are in practice, in the greatgenerality of cases, at right angles. Fig. 201 shows such a pair ON THE TEETH OF WHEELS. 39 of bevels, with the frustra of the extremity of the teetli deve-loped in the manner described. Skeiv Bevels. When two axes or shafts, which have to be…
Mills and mill-work · Machinery
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