Illinois Society of Architects · Chicago · leaf 244
Conveyers and Elevators for Coal, Ashes, Packages, Freight Coal Crushers ConsultingEngineering … JOOR ENGINEERING COMPANY W^i BUILDINGC AG O 244 removable and, if possible, reversible bush-ings, or knuckles, of sucli thickness that theythey are not likely to break in service. Bushings % inch to ^ incli thick arebetter th.an none, but these do not last aslong as the heavier bushings which…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
