Decay, Preparation and Treatment of Wood. Chronicle of Wood Preservation. Progress in Wood Preservation. BALTIMORE, MD. Seasoning Lumber in One Day. What This Process Means To You. It improves the quality of all lumber; dries green woods quickly, thus saving insurance and interest; and by preservation saves enormous loss by deterioration now suffered by carrying lumber in piles for air-drying. FOR FURTHER DETAILS WRITE Lumber, Tie and Timber Vulcanizing Co., 100 HOLLEY STREET, Norfolk, Va. The United Gas Improvement Company MANUFACTURERS OF TAR PRODUCTS Philadelphia, Pa. Creosote and Wood-Preserving Oils FROM Coal and Water-Gas-Tar We Know the Needs of Timber-Treating and wood-preserving, and meet them squarely with accurate, serviceable Thermometers for every requirement. Every Thermometer bearing H & M Tycos makes honest claim to supremacy, every manufacturing step carefully worked out in detail; industry and application studied. May we suggest that, no matter what problem in thermometry you have to face, we be consulted as to the proper instrument? Bulletin A, Section 1, on Wood-Preserving, TimberTreating and Impregnating Processes is free. May we send it? We manufacture an extensive line of Angle and Straight Stem Thermometers, Engraved Stem Thermometers, Temperature Regulators, Pressure Regulators, Hygrometers, Thermo-Electric and Radiation Pyrometers. This book will be sent to any member of the American WoodPreservers' Association for 10 days' Free Examination. Now Ready A New Revised and Enlarged Edition By HOWARD F. WEISS, Director, Forest Products 312 pages, 6x9, fully illustrated, $3.00 net, postpaid. In all the extensive literature of the wood preservation industry, this is the first book to cover systematically the subject in its broad aspect. It gives a complete survey of the entire industry. Mr. Weiss, as Director of the Forest Products Laboratory, U. S. Forest Service, has had at his command the very best of material. This material, together with data obtained during his years of personal contact with the development of the industry, form the nucleus of this book. SPECIAL FEATURES OF THE NEW EDITION Considerable new data on the durability of treated and untreated timber. Recent progress in the art of rendering wood fireresistant. MCGRAW-HILL BOOK CO., Inc. 289 West 39th Street, New York SAFETY FIRST. Maxwell-Peerless Emergency Hood. Especially serviceable when making repairs in retorts and creosote storage tanks. Weighs only 8 ounces. Price $66.00 per dozen, F. O. B. DESTINATION International Creosoting & Construction Co.,Texarkana, Texas. Watkins Creosoting Co., Metropolis, Ill. Mountain Copper Co., Martinez, Cal. Standard Oil Co., El Segunda, Cal. Union Oil Co., Oleum, Cal. Shell Oil Co., Martinez, Cal. Associated Oil Co., Avon, Cal. Pinal-Dome Refining Co., Santa Maria, Cal. Spreckels Sugar Co., Spreckels, Cal. Pacific Light & Power Co., Los Angeles, Cal. Los Angeles Gas & Electric Co., Los Angeles, Cal. JOHN E. SCHMITZ & CO., Monadnock Building |