Original door trade vintage catalog for THE COMPOUND AND PYRONO DOOR COMPANY, was located at 650 Arlington Place, Chicago, IL. Manufacturers of Pyrono Fireproof Wood Doors. Trimount Sound-Insulated Doors, Py-ro-no Asbestos Interlined Fire Proof Doors and Compound Key-Veneered Doors. Disbound from a large 1938 construction materials book, this unique old one page technical specification brochure would display wonderfully matted and framed.