Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 528
links of unequal length, connected at their upper extremities with the endsof the eccentric-rods, one of which is above and one below the studs on the lever of the valve-shaft, sothat the upper eccentric-rod, being in geer, gives the forward motion, and the lower gives the backwardmotion. In other… … 518 ENGINES, DETAILS OF. and by the same movement the backing eccentric is lifted into geer by a longer link connecting it to alever, not upon the reversing shaft, but upon a shaft below it. Stephenson and Hawthorn have both\ised a similar arrangement, but admitting of the eecentric-rods being both…
Mechanical engineering
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-1043-543.webp)
