Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 836
TCHMAKING. ingly. The usual plan is to give the centre-wheel 64 teeth, and to the pinion it Ithat thia pinion, carrying with it the third - eight times for each turn of the centre-wheel The third-wheel, having 60 teeth, works s; and this last, carrying the contrate- wheel, turns TV times for each…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.