Search Only Images Visit Image Gallery FAQ page Visit Image Gallery FAQ imggal_sm2.png Streamline design Download this image Image ID: SIL-SIL-038-17-01 Cite this: Aluminum Ladder Company. 1937. [Trade catalogs on aluminum ladders…], Worthington, Pa. : Aluminum Ladder Co. Supplied Caption: Streamline design Tag(s): Products and Advertisements, Factories, Work, industry, Time Topic(s): Machinery Find in: Library Catalog Download: Image Copyright Not Evaluated Request copy of image How can I use this image?