by it manufacturers the double cone vice coupling, you in first cost, and economy in use. In the first place, the independent bars formmg the line will observe, consists of three principal parts—an outer The generation of power to be expended in operating ma- must be made truly cylindrical, and… … length. These were, and are now, machines of wonderful in-| to the ends of the shafts to 3 interior surface made like two frustums of cones, with the genuity; yet these machines were driven from wooden drums, | be coupled, and the plates ie ‘ia apex of each meeting in the center of the sleeve. 60…
Internet Archive · Public domain (published before 1931). Free to use for anything.
