Baldwin, A. A. (Amos A.) · Bradsher Falls, N. Y · leaf 90
ry rule for the construction of cams, etc., is not altogether suitable for shedding wipers. This is owing to the treadles moving in a circle instead of a straight line at their point of contact with the wipers. They are frequently made, however, to that rule, and the consequence is that when the… … requires to be made up on the wiper. When this is not done
Weaving
Internet Archive · Duke University Libraries · Public domain (published before 1931). Free to use for anything.