Illinois Society of Architects · Chicago · leaf 247
ConveyorsElevatorsCoal StorageBelt ConveyorsEngineersFoundersMachinists JEFFREY MFG. CO. COLUMBUS, O.CHICAGO, ILL. … NOCENTER-ING. R e: R R o I N c u A V e: roors -Waterproofing felt Concrete-! i Pl PO?! ««I 2 parts sand
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