Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 98
best ironrails, where the wear is most severe. The above table shows, that,by substituting a steel rail which would wear only five years, theycould effect a saving which would be equivalent to an immediateaddition to their capital of 8121-93 on every ton, or $12,192 99 onevery mile of steel laid… … Self Oiling Journal Bearing, for Kailroad Cars and otherMachinery—By J. P. AVendell—This invention consists of a journalbearing which can be adaptedto any form of box. It is castAvith an oil chamber in its masscommunicating with severalcircular openings on oppositesides of the face of the bear-ing,…
Science · Technology · Meteorology · Patents
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.