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,… … EASILY-CLEANED FEED-WATER FILTER. into the vessel when the apparatus is removed for in- spection or repair. this invention has been granted to Messrs. F. A. Gra- loosely through lugs on the stationary section, and are 0 ham, F. F. Carmiencke, and J. R. Neely, Box 495, provided with springs which…
Internet Archive · Public domain (published before 1931). Free to use for anything.
