Original industrial trade vintage catalog for SAUERMAN BROTHERS, INC. was located at 454 South Clinton Street, Chicago, IL. Designers and Constructors of System for Ground Storage of Coal. Drag scraper for reclaiming, slackline cableway excavators. Disbound from a large 1931 construction book, this unique one page technical data specification sheet would display beautifully matted and framed. Slight damp stain on outer edge. It would be a marvelous addition to your industrial engineering library.