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 321
ar transverse rocker-shaft I is arranged parallel to the shaft k. From each of theshafts k I an arm m extends upwards, and is jointed to a horizontal connecting-rod n. Each of theseshafts has also two other arms o o, or p p, extending from it, Fig. 916. To each of these last-men-tioned arms one of… … _ From the above it •will be seen, that -when the chain g is drawn forward, or in a direction towards theright-hand end of the main frame, each ring-rail will be raised upwards. So when the chain is sufferedto move backwards, the ring-rails will be left free to fall down by their own weight. The…
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-graphophonepaten07unit-453-304.webp)
