Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 261
.Figs. 187 and 177 give tne general appearance of such hooks.116. Link-motion of Howe or Stephenson—The dififi-culties attendant upon large-size hook-gears for reversingwhen they came to be applied in high-speed practice broughtabout the development of what have been called the link- 224 MECHANICAL… … I joined together on their outer and inner edges by two arcs ofcircles struck from the centre of the shaft, there will be de-rived the Stephenson link. The upper hook of the old gear REVERSING VALVE-GEARS. LINK-MOTIONS, 225 becomes that part of the slot in the Hnk just behind the jointof the…
Mechanical engineering · Steam power plants
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