Chester, PA: Allison Steel Products Co., n.d. (ca. 1928). First edition. Red Stiff Wraps. 12mo, pp. 108. Indexed, richly illustrated with b/w drawings and photos. Last 30 pages are full page b/w plates showing Allison products and installations. Sticker from a previous owner at Dupont affixed to the front endpaper. Very Good. Item #21571
Another very nice trade piece focusing on steel windows, tube doors, partitions, and more for industrial buildings and factories. Includes specifications, advantages and uses, construction, hardware, and other details. Full of cross-section diagrams, technical information, and photos of installations. A scarce trade piece from a small Pennsylvania manufacturer.