t is a very easy In order to hold the sections in closed position four incloses a spring, on the lower end of which a block matter to bring some portion of the rollers into contact bolts threaded into lugs on the movable section pass is secured, which carries a contact finger projecting with it,… … TROLLEY FINDER. into the vessel when the apparatus is removed for in- EASILY-CLEANED FEED-WATER FILTER. spection or repair. this invention has been granted to Messrs. F. A. Gra- loosely through lugs on the stationary section, and are ♦ hi « ham, F. F. Carmiencke, and J. R. Neely, Box 495, provided…
Patents · Device · Apparatus · Machine · Object · Scientific American · Inches · Great western · Gas engine · White lead · White star · East river · Sea water · Years ago · Water vapor · Entrance fee
Internet Archive · Public domain (published before 1931). Free to use for anything.
