tween projecting walls on the cap-piece which form merit to applicants in cases where awards of medals adjustment, permit proper lubrication and render the an angular nut. When the bolts have been withdrawn have been made to inventors, and where the applicants device entirely dust-proof. from the… … Mr. John Scott, an Edinburgh chemist, in 1816 be- by a bar B secured to the inside of the bearing D. A queathed the sum of $4,000 to the corporation of the gripped by a wrench and the cap-piece rotated. The vertically-disposed pivot C passes through this bearing city of Philadelphia, directing that…
Patents · Munn · Apparatus · Silver · Construction · Rapid transit · Scientific American · Feet long · Ellesmere land · Circuit court · Transit subway · Zinc dust · Gas engine · Years ago · Franklin institute
Internet Archive · Public domain (published before 1931). Free to use for anything.
