National Geographic : 1927 Jul
STEEL SHEETS 'orB3uilding Construec&on, fetal Lath, etc. KEYSTONE 1Use KEYSTONE Rust-resisting I COPPER STEEL SHEETS E For Permanency DETTER building construction, no matter how large or how i - i small, is depending more and more each year upon the utility of sheet metal. For repairs, replacements, or for new construction of every type, Sheet Steel has become an important factor with architects, contractors and property owners. Columns, doors, metal lath, ridges, roofing, gutters, conductor pipe and spouting are better and more enduring if made from KEYSTONE Rust-resisting Copper Steel. Sup plied in Black and Galvanized Sheets, and Roofing Tin Plates. Sold by leading metal merchants. Used by particular roofers and contractors. Our booklet FACTS will give - you some surprising information relative to the superiority of KEYSTONE quality as Determined by actual time and weather tests. Address nearest District Sales Office. IE CER SEETal TIN PiLTE COMPANY E ERbil g General Oftices:Frick Building Pittsburgh.e or Sesm anufadurers of cfdeigh Grade Steel Sheets and 'in plates for every purpose DISTRICT SALES OFFICES Chicago Cincinnati Denver Detroit New Orleans New York Philadelphia Pittsburgh St. Louis Ss Export Representatives UNITED STATES STEEL PRODUCTS Co., New York City r n SPacific Coast Representatives: UNITED STATES STEEL PRODUCTS Co., San Francisco, Los Angeles, Portland, Seattle IAEIIll SHEETanN PlITE COMPANY 1 u1R1 u u...u..u..1.1..,1.... .,,,ii..