o 1. That is, if the pump has a stroke of 8 inches, the single is about ten times the radius of the arm, the error is almost, cord leading to the drum will move 4 inches. If the stroke if not quite, negligible. This gear is, of course, only suitable of the machine is 11 inches, a “gun tackle” can…
Shipbuilding -- Periodicals · Shipbuilding industry -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-145-114.webp)
