Original old building material vintage catalog SHELDON SLATE PRODUCTS COMPANY, INC. of Granville, NY.  Manufacturers of Roofing Slate and Slate Products .  Colors, Laboratory Tests, Architectural Service.  Residence at Larchmont, NY pictured.  C.W. Moody and Son, Builders, Hunter McDonnell, Architect.  Disbound from a large 1938 construction book, this unique one page technical data specification sheet would display wonderfully matted and framed.