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Reliable Proleclion f,ssured by the Marlr On Dvery Piece

Every piece of Wolmanized Lumber* is properly treated, under laboratory supervision. Every piece is also properly sold, to bring reasonable profits to a legitimate dealer. That's what the mark means.

Wolmanized Lumber is sold only through recognized trade channels. Your profits are protected. Wellknown producers carry stocks, so shipment can be obtained in straight or mixed carloads. Your own lumber can be treated, en route to you, at conveniently located plants.

The visible mark also means more business for you. There's demand for reliable protection, and pressuretreated lumber gives reliability that fits the demand. Wolmanized Lumber is clean, can be painted, nailed and stained, and the protective salts wor.r't leach out, corrode, or cause odors. Because it is needed only at exposed points, the protection costs less than 2/s extn on an ordinary house.

Tell prospective customers about it. Many will be interested, many will deal with you because you can supply this extra service. Our nearest office will give details. AMERICAN LUMBER & TREATING COMPANY, 1405 Old Colony Building, Chicago.

Ias Angeles: 1031 South Btoadway, Prospect 5558

San Francrsco: 116 New MontSomery Street, Suttet 1225