National Geographic : 1914 May
Build Better, Quicker, at Less Expense Of concrete, certainly, even to the roof, but of concrete reinforced with the new form of expanded metal that cuts out the expense and time delay of building forms. It makes possible a roof of concrete but two inches thick-a roof of any shape, fire-proof, light, but as strong and enduring as one made in the old A fireproofSelf-Sentering concrete roof can way twice as thick. be laid on any pitch Self-Sentering makes unnecessary, too, all studding on walls and parti tions-saves inches in partition thick ness that add square feet to every floor area. Laid quickly in big sheets, it makes permanent building construction quicker and more economical. Your architect and builder know the advantages of Self-Sentering. You ought to know about it before you build. If you will (Pat. Mar. 3, 1914. Other patents pending) Send Us YourArchitect's The expanded metal that makes reinforced concrete without forms or Builder's Name we will supply you with full III information regarding this economical method of con crete construction. THE GENERAL FIREPROOFING CO. 1505 Logan Ave., Youngstown, 0. Trade Mark Reg. U. S. Pat. Off. The Fame of Jacobs Bird-Houses is Known in Every Land First in America, Best in the World Eleven beautiful designs for the Purple Martin, ranging in size from o0to 78 rooms, $6.50 to $65.00 . Single-room houses for Wrens. Bluebirds, Swallows, Chickadees, Flick ers, Tufted Tits, etc., $1.00 each. One dozen assorted, $1o.oo . Small lots by parcel post, postage extra. Jacobs Food Shelter for birds, most successful in existence, outwits the Sparrows and feeds desirable birds. Large size, 36 x 36 x 30 inches, ar tistic finish, $12.oo each, two for $21.00oo Government Sparrow Trap, best make, U. S . Dep't of Agriculture regu lation size, 36 x 18 x 12 inches, $4.00. Jacobs Metallic re-enforced Bird Fountain and Bath, with or without or namental pedestal and water pipe fixtures. Four Designs. All prices F. O. B. Waynesburg, Pa. Full instructions with each purchase. Our Indorsement Send 10 cents for our beautifully illustrated bird-house booklet. JACOBS BIRD-HOUSE CO. JACOBS BIRD-HOUSE CO. Over 31 years' continuous indorse 404 South Washington St. Waynesburg, Pa. ment by birds. "Mention the Geographic-It identifies you."