Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 204
a tinvessel which surrounds the shaft as seen at X, in Plate I., fromwhich a rubber pipe conveys it away beyond the pit. The steelface upon which the friction band slides is 504 inches in diameter,and 3]- inches wide. This surface would be much too small tocontrol the power of this wheel were it…
Science · Technology · Meteorology · Patents
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-961-503.webp)
