Fairbairn, William, Sir, 1789-1874 · London, Longman, Green, Longman, Roberts & Green · leaf 31
ts, who adhere withgreat tenacity to the hammer and cliisel. Fig. 185 shows thecutting machine as constructed by Messrs. Peter Fairbairnand Co., of Leeds. The object of this machine is not only to pitch and trim theteeth of a large spur or other wheel, but to turn the face andsides of the segments… … through which is inserted a mandrill upon which the wheel to becut and turned is keyed. Provision is made for carrying theother end of this mandrill by a loose fixing. The hollow spindleis driven (with the wheel upon it) by a worm wheel (J) which ismade to run loose on the spindle, but which is now…
Mills and mill-work · Machinery
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