Illinois Society of Architects · Chicago · leaf 253
conveyors, however, are notadvisable, as they add greatly to the cost and become a source of frequent troublethrough the breakage of balls by the heavy shocks. The belt, as stated above, shouldbe of cotton. Rubber belts are not advisable for use on this character of conveyorunless the belt is…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.