Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 112
102 HAT-MAKING MACHINERY levers in the rock-shaft that, while balancing each other, the pressers can be separated to take out orinsert a hat-roll, or be brought together by a weight on the hand-lever. The pressers arc actuatedfrom the main shaft, two cams on which operate the beaters. On each…
Mechanical engineering -- Dictionaries
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
