. Canadian forest industries January-June 1917. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. work. It has, to a considerable extent, revolutionized the manufacture of metal products, of steel cutting, and the methods of repairing broken and worn metal parts, of light and heavy sections. The invention i- a product of France, and is generally credited to Le Chatelier. 1895. By l'X)l it was further developed by Fouche and I'icard, improved in 1903, and in 1906 brought into operation in the United States by Messrs. Davis and Bournonville, now known a
. Canadian forest industries January-June 1917. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. work. It has, to a considerable extent, revolutionized the manufacture of metal products, of steel cutting, and the methods of repairing broken and worn metal parts, of light and heavy sections. The invention i- a product of France, and is generally credited to Le Chatelier. 1895. By l'X)l it was further developed by Fouche and I'icard, improved in 1903, and in 1906 brought into operation in the United States by Messrs. Davis and Bournonville, now known as the Davis-Bournonville Com- pany , Jersey City, During the past ten years steady progress has been made in the development of this invention. To-day a complete standard stationary welding and cutting plant, which includes acetylene pressure genera- tor, welding and cutting torches, regulators and indicators, hose and hose connections, colored eyeglasses, wrenches, etc., can he had promptly and at a reasonable price. W here metallic materials have to be united or cut, where broken castings have t l>c reclaimed, invalu- able saving in time and money is effected, which should greatly over- balance the cost of such a plant. Large portable outfits can be had, provided with pressure genera- tors and mounted on four-wheeled trucks. The generators are spe- cially designed for transportation, with automatic locking device, to prevent feeding mechanism operating when truck is moved. These outfits have special advantage in large works where it may be neces: sary to move the equipment frequently. Small portable outfits for both welding and cutting can be had which use compressed acetylene in cylinders, instead of acetylene gen- erator. These cylinders may be recharged at central compressing plants. A hand truck is provided with this outfit, accommodating acetylene and high-pressure oxygen cylinders, and welding or cutting unit, constituting a thoroughly practical portable o
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