264. Jacobs, H. W. Welding locomotive repair parts. illus. (American machinist, New York, v. 35, part 2, Nov. 16, 1911, p. 913-916.) VFA Savings effected by oxy-acetylene. Author is assistant superintendent of motive power, A. T. & S. F. Railway. 265. Kautny, Theodor. List of uses and work done by oxy-acetylene blowpipe. (International Acetylene Association, [Proceedings,, fourteenth annual meeting, Atlantic City, N. J. Chicago, 1911, p. 59-63.) VOKA Refers to exhibits of the Society of German Sheet Metal Workers and Plumbers. 266. Lavender, P. T. Oxy-acetylene welding and cutting. (Railway age gazette, New York, v. 51, Sept. 1, 1911, p. 438-439.) TPB Paper read before the Master Blacksmiths Association. General statement regarding adaptability of oxy-acetylene to railroad work. 267. Law, E. F., and others. Some studies of welds. illus. (Journal of the Iron and Steel Institute, London, v. 83, 1911. VIA p. 103-116.) Abstracted in the Mechanical engineer, Manchester, v. 27, May 12, 1911, p. 570-573, VFA, Electrical review, London, v. 68, June 2, 1911, p. 900-901, VGA; Stahl und Eisen, Düsseldorf, v. 31. June 15, 1911, p. 978, VIA; Iron age, New York, v. 88, July 27, 1911, p. 200, VDA. Results of tests on electrical, water-gas, thermit, fire, and acetylene welds. Photographic reproductions of metallographic sections are noteworthy. 268. Massenfabrikation von Rohren vermittelst autogener Schweissung. illus. (Carbid und Acetylen*, Berlin, v. 15, June 1, 1911, p. 128-129.) VGA Describes briefly the automatic apparatus of Ostermann & Flüs. 269. Mauran, Max. Oxygen for welding.j (International Acetylene Association, Proceedings, thirteenth annual meeting, Chicago. Chicago, 1911, p. 6869.) VOKA Brief remarks on lavoisite, which gives off oxygen upon addition of hot water. 270. Metal-cutting and welding blowpipes. illus. (Engineering, London, v. 91, Jan. 6, 1911, p. 15-16.) VDA Cross section drawings of apparatus manufactured by the British Oxygen Company, Limited, of London. 271. Morehead, J. M. Acetylene welding. illus. (Official proceedings of the New York Railroad Club, New York, v. 21, June, 1911, p. 2432-2469.) TPB With discussion. Bibliography, p. 2444-2445. Adaptability and advantages. Results of tests on cutting power of oxy. gen of varying purity. Without bibliography or discussion. (Acetylene journal, Chicago, v. 13, 1911, p. 65-66, 80-85, 266-267.) VOA 272. Acetylene welding and welding schools in Europe. (International Acety lene Association. [Proceedings, fourteenth annual meeting, Atlantic City, N. J. Chicago, 1911, p. 64-71.) VOKA With discussion. (Acetylene journal, Chicago, v. 13, Sept., 1911, p. 126-129.) VOA (Engineering news, New York, v. 67, April 18, 1912, p. 716-717.) VDA 273. New portable welding machine. A recent product of the Oxy-Carbi Company. illus. (Iron age, New York, v. 88, Sept. 21, 1911, p. 628-629.) VDA 274. New, A, portable welding machine. illus. (Metal worker, New York, v. 76, Nov. 17, 1911, p. 645-646.) VIA Machine of the Economy Welding Machine Company of Kansas City, Mo. 275. Oxy-acetylene process and the steel car. illus. (Railway and locomotive engineering, New York, v. 24, May, 1911, p. 198-199.) TPB (Railway master mechanic, Chicago, v. 35, May, 1911, p. 184-185.) 276. Oxy-acetylene torch in cutting metals. (Boiler maker, New York, v. 11, 1911, VFA p. 320.) Procedure. Time consumed in cutting. TPB VIA Editorial comment on Massachusetts restrictions. 282. Oxy-acetylene welding on boilers. illus. (American engineer and railroad journal, New York, v. 85, July, 1911, p. 259.) TPB Brief statement of fire-box patching as effected by apparatus of the Linde Air Products Company. 283. Oxy-acetylene welding of sheets. illus. (Metal worker, New York, v. 75, April 29, 1911, p. 564.) VIA Finishing invisible joints in steel cars. Economy of the process. 284. Portable autogenous welding equip ment. 292. Springer, J. F. Acetylene welding and cutting machine. illus. (Brass world and platers' guide, Bridgeport, Conn., v. 7, Sept., 1911, p. 322-324.) VIA Davis-Bournonville machine for sheet metal work. 293. The Oxy-Carbi Company's latest apparatus. illus. (Iron age, New York, v. 86, Sept. 22, 1910, p. 672-673.) VDA 285. Prussia. Minister für Handel und Gewerbe. Erlasse betreffend die Verwendung des vom Deutschen Acetylenverein für die Zwecke der autogenen Metallbearbeitung geprüften Wasservorlagen. (Carbid und Acetylen *, Berlin, v. 15, Jan. 15, 1911, p. 14-15.) VGA Decree of December 23, 1910. Supplement published in Carbid und Acetylen *, v. 15, June 1, 1911, p. 128. Refers to booklet issued by the National Board of Fire Underwriters. (Boiler maker, New York, v. 11, Feb., 1911, p. 51-52.) VFA 288 Saving by oxy-acetylene welding. Lake Shore and Michigan Southern Railway. Carefully kept records of the work performed by the oxy-acetylene welding apparatus, in use at the Collingwood shops, have shown some very surprising moneysavings resulting from the general and varied use of the apparatus for many purposes at first unthought of. illus. (American engineer and railway journal, New York, v. 85, June, 1911, p. 203-206.) TPB Abstracted in Boiler maker, New York, v. 11, 1911, p. 261, VFA. The diagrams are interesting. 289. Schneider, Alfred. Die an die Konstruktion der Wasservorlagen zu stellenden Grundsätze. illus. (Carbid und Acetylen*, Berlin, Dec. 15, 1911, p. 289-297.) VGA With discussion. 290. Schweissbrenner. (Carbid und Acetylen *, Berlin, v. 15, Jan. 1, 1911, p. 11.) VGA Question and editorial reply concerning mistranslation of Amédéo's paper in number of Dec. 1, 1910. 291. Sheet metal work for automobiles. illus. (American machinist, v. 35, July 13, 1911, p. 65.) VFA Process of "tacking" by oxy-acetylene flame at plant of the E. M. F. Company. Cutting and welding with the oxy-acetylene torch. illus. (Industrial engineering and the engineering digest, New York, v. 9, April, 1911, p. 270-276.) VA The methods, with cost data on a number of representative jobs. 294. Cutting with the oxy-acetylene torch. (Boiler maker, New York, v. 11, Feb., 1911, p. 43-47.) VFA General principles. Demolition of bridge over the Harlem River, in which the work was done in one week at a gas cost of $42.00. Cutting of large steel tank of half-inch sheets. Cost estimates. 304. Tucker, Alexander E. The influence of impurities in oxygen when used for cutting iron and steel. illus. (Journal of the Society of Chemical Industry, London, v. 30, July 15, 1911, p. 779-781.) VOA With discussion on p. 781-782. Refers mainly to oxy-hydrogen operations. 305. Vogel, J. H. Das Acetylen; seine Eigenschaften, seine Herstellung und Verwendung. Unter Mitwirkung von A. LevyLudwig, A. Schulze, A. Schneider, P. Wolff. Leipzig: O. Spamer, 1911. viii, 294 p. illus. 8°. (Chemische Technolo gie. Spezieller Teil.) VOF 1912 311. Acetylene and acetylene welding. (English mechanic and world of science, London, v. 96, Sept. 20, 1912, p. 169-171.) VA Extracts from booklets issued by the Acetylene Publicity Co., London. Practical directions. Strength of welds. Speed of welding and consumption of gases. Welding cast and malleable iron, cast steel, copper, brass, other copper alloys, aluminum. Metal cutting. 312. Allen, Harry G. Pioneering in oxyacetylene on the Pacific coast. illus. (Acetylene journal, Chicago, v. 14, Oct., 1912, p. 167-169.) VOA Paper read before the International Acetylene Association, Chicago, 1912. 313. Amédéo, Raoul. Acetylene as used in the autogenous welding of metals. (Acetylene journal, Chicago, v. 14, July, 1912, p. 18-20.) VOA Discussion of the chemical and physical phenomena incident to welding. 314. Anthony, C. C. Patching a water pipe by welding. (Engineering news, v. 68, VDA Aug. 22, 1912, p. 356.) 36-inch riveted steel main repaired by use of portable oxy-acetylene plant at a cost of thirty-five dollars. 315. Astra, The, oxy-acetylene process. (Iron age, New York, v. 89, March 14, VDA 1912, p. 659.) Brief reference to lecture by E. Raven Rosenbaum. See also Metal worker, New York, v. 77, March 22, 1912, 407, VIA. 318. Autogenous welding of brass and copper alloys. (Acetylene journal, ChiVOA cago, v. 13, June, 1912, p. 515-517.) Brief account of experiments made by the Union de la soudure. 319. Autogenous welds for boiler work. illus. (The locomotive, Hartford, v. 29, Oct., TPB 1912, p. 227-231.) Experience not encouraging. 320. Autogenschweissung eines Zylinders. illus. (Zeitschrift für Dampfkessel und Maschinenbetrieb, Berlin, v. 35, Nov. 15, 1912, p. 490-491.) VFA Welding the combined cylinder and valve chest of a large tandem high-pressure engine. Abstract of the paper in Autogene Metallbearbeitung, 1912. 321. Automatic welding and cutting with oxy-acetylene. illus. (Acetylene journal, Chicago, v. 14, July, 1912, p. 18-19.) VOA "Automatic guidance of the acetylene torch," the "oxygraph" of the Davis-Bournonville Co. 322. Bauschlicher, August. Stand der autogenen Schneidtechnik. (Zeitschrift für praktische Metallbearbeitung, Jahrgang 1, Sept. 19, 1912, p. 109-111, and Oct. 17, 1912, p. 121-126, illus. [In, Der praktische Maschinen-Konstrukteur, Leipzig, v. 45, 1912.) VDA From the patent standpoint. 323. Bermann, Max. Die Theorie des Schweissens von Stahl und ihre praktische Anwendung. illus. (Zeitschrift des Vereines deutscher Ingenieure, Berlin, v. 56, March 30, 1912, p. 501-508.) VDA Abstract (translated) in International Associa tion for Testing Materials, 6th Congress, New York, 1912, paper no. viii-3, VEE. Theory of steel welding with requirements for the autogenous process. Oxidation and reduction at the welding place. The choice and preparation of the binding material. Photographic reproductions of welds. 329. Carnevali, F. Autogenous welding by means of oxygen and acetylene of copper and its principal alloys, and of aluminum. illus. (Journal of the Institute of Metals, London, v. 8, 1912, part 2, p. 282307.) VIA With discussion, p. 308-311. Abstracted in Automobile, New York, v. 27, 1912, p. 885, 906-907, 958-959, t† TOL; Journal of the Society of Chemical Industry, London, v. 31, p. 990, VOA; Metallurgical and chemical engineering, New York, v. 10, Nov., 1912, p. 762, VIA; Carbid und Acetylen, Berlin, v. 17, April 15, 1913, p. 87-88, Bericht über die Sitzung der Fachgruppe für autogene Metallbearbeitung in München am 17. Februar 1912. (Carbid und Acetylen*, Berlin, v. 16, 1912, p. 48-53, 61-68.) VGA Address by Dr. Vogel on the state of the art; and discussion regarding oxy-benz process. 339. stelle. Prüfungs und UntersuchungsGutachten über den Wert der Benzol-Sauerstoff-Schweissung im Ver gleich zur Acetylen-Sauerstoff-Schweissung. illus. (Carbid und Acetylen*, Berlin, v. 16, June 1, 1912, p. 121-155.) VGA Results of this exhaustive investigation show that oxy-acetylene is preferable to oxy-benz process. 340. Die vom Deutschen Acetylenverein für die Zwecke der autogenen Metallbearbeitung vom 1. August 1911 bis 31. März 1912 geprüften und mit einem Typenzeugnis versehnen Wasservorlagen. illus. (Carbid und Acetylen*, Berlin, v. 15, May 15, 1912, p. 109-114.) VGA Detailed drawings of water seals manufactured by various firms. 341. Effect on steel of cutting by oxyacetylene. (American machinist, New York, v. 3, Feb. 8, 1912, p. 217.) VFA Brief statement of results of tests on two mild steels, a nickel steel, and a chrome-nickel steel. 342. Einiges über Einrichtung autogener Azetylen-Sauerstoff-Schweissanlagen unter spezieller Berücksichtigung des Schweissapparates "Hesperus." (Zeitschrift für praktische Metallbearbeitung, Jahrgang 1, March 7, 1912, p. 33-35, illus. [In Der praktische Maschinen-Konstrukteur, Leipzig, v. 45, 1912.1) VDA 343. Fackler, C. J. Strength of oxyacetylene welds. (Boiler maker, New York, v. 12, Oct., 1912, p. 296.) VFA Abstract of paper read at the 20th annual convention of the International Railroad Master Blacksmiths Association, August, 1912. 344. Fraenkel, A. Temperatur und Beschaffenheit verschiedener Schweissflammen. Eine thermo-chemische Studie. (Carbid und Acetylen*, Berlin, v. 16, April 15, 1912, p. 85-90.) VGA 345. Gas mains, Oxy-acetylene welding of high-pressure. (Engineering record, New York, v. 66, Dec. 7, 1912, p. 631.) 354. Ludwig, Hans. Der AzetylenSauerstoff-Schweissbrenner; seine Wirkungsweise und seine Konstruktionsbedingungen. Berlin: J. Springer, 1912. 30 p. illus. fo. (Berlin. Technische Hochschule. Berichte des Versuchsfeldes für Werkzeugmaschinen. Heft 2.) ††VEW Abstracted in Werkstatts Technik, Berlin, Aug. 1, 1912, p. 381-385, VFA; Dampfkessel und Maschinenbetrieb, Berlín, v. 35, Sept. 6, 1912, p. 383, VFA; Elektrotechnische Zeitschrift, Berlin, v. 34, July 31, 1913, p. 886, VGA. Description of an experimental oxy-acetylene blowpipe and tests made to determine the effect of heating the burner, varying the mixture, pressure and velocity of the gases, &c. 355. M'Kelway, G. H. Use of the oxyacetylene flame on track work in Brooklyn. illus. (Electric railway journal, New York, v. 39, May 11, 1912, p. 793.) TPB |