Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 206
on /,upon the shaft D, are respectively 51 and 13 ; and the numbers in the wheels d upon the cone spindle,and the internal wheel g, being 51 and 119, therefore when the shaft D is in geer, the ratio of theof the cone-spindle to that of the face-plate is as 119 : 13, or as 915 to 1. And when both of…
Mechanical engineering
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