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EXHIBITIONS

13,011 volumes and 134 pamphlets to the circulation department.

Of the reference department receipts THE exhibition of etchings by Haden,

1,549 volumes and 381 pamphlets were purchases, 1,457 volumes and 3,354 pamphlets were gifts, and 11 volumes and 5 pamphlets were exchanges. For the circulation department 12,824 volumes were purchases and 187 volumes and 134 pamphlets were gifts.

The reference department catalogued 3,787 volumes and 1,693 pamphlets; for this work were written 5,711 cards, and 4,078 copy slips were made for the printer. Cataloguing of 1,052 volumes and 450 pamphlets was completed by addition to 1,420 cards.

In the printing office 3,759 titles were set, from which 37,509 cards were printed.

The circulation department cataloguing force wrote 651 cards for the union catalogue, entered 3,737 volumes in the union catalogue and shelf list, and classified 585 volumes. At the branches 4,724 cards were written. Through the interbranch loan system 7,595 books were asked for and 5,001 were supplied.

READERS AND VISITORS

DURING September the total number

53,320. They consulted 142,916 volumes. Visitors to the building numbered 170,914.

the selection of prints from the Cadwalader Collection, and the recent additions to the print collection have remained on view in Room 321, Room 322, and the Stuart Gallery, respectively.

The case of instruments illustrating the making of an etching is displayed in Room 308.

In honor of the meeting of the United Typothetae in New York City, the Library has held an exhibition of books illustrative of early printing and of the history of printing. The books were displayed in the Exhibition Room during the first weeks of October.

In connection with the Commercial Tercentenary Celebration the Library put on display, in the Exhibition Room, on October 24, a large number of manuscripts, books, and pictures. Early Dutch and English books dealing with the settlement of Manhattan and the establishment of a trading post, early accounts of important events in the history of New York, autograph manuscripts or signatures of many of the Dutch and English governors, formed part of the exhibition. The original Dongan and Montgomery charters were shown, as well as various other items of interest, dating for the most part before 1800. A number of early views of New York City were also displayed.

LIST OF WORKS IN THE NEW YORK PUBLIC LIBRARY RELATING TO OXY-ACETYLENE WELDING

COMPILED BY THE DIVISION OF TECHNOLOGY

The arrangement is chronological by date of publication. For references to acetylene other than in its relation to welding the reader should consult the various periodicals related to the industry, also the indexes of the Journal of the "Society of Chemical Industry" (VOA). For patent abstracts, reports of the Deutscher Acetylen Verein, and for various German decrees, see the files of "Carbid und Acetylen" (VGA), and of the "Zeitschrift für Calcium Carbid Fabrikation" (VGA). Tho patents are not as a rule cited, indexes and text may be consulted in the Patents room, Number 121.

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Abstracted in Metal worker, New York, v. 60, July 11, 1903, p. 48, VIA.

Comparison with oxy-hydric, electric, and other systems. Costs. Correspondence between Binet and Emile Demenge regarding this article appears in ibid., July 4, 1903, p. 157.

9. Fouché, Ed. L'acétylène; ses applica-
illus.
tions domestiques et industrielles.
(Bulletin technologique, Paris, Nov., 1903,
p. [1288,-1331.)
VA

Properties of acetylene. Generators. Portable acetylene. Lighting, heating, and power applications. First experiments in welding. The flame and its operation.

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11. Janet, A. L'acétylène dissous et ses principales applications. Eclairage portatifs; chalumeaux_oxyacétylèniques. illus. (Le génie civil, Paris, v. 43, July 18, 1903, p. 180-182.) VA Method of the Compagnie française de l'acétylène for transporting dissolved acetylene.

12. Leroyer, L. Soudure autogène des métaux. illus. (Bulletin technologique, Paris, Dec., 1903, p. [1341-1352.) VA Autogenous welding in general with cost comparisons.

1904

13. Azetylen-Sauerstoffflame zu schweissen. illus. (Zeitschrift des Vereines deutscher Ingenieure, Berlin, Bd. 48, Jan. 30, 1904, p. 182-183.) VDA

Refers to successful results in France. Comparison with water gas.

1905

14. Arnoux, R. Procédés de soudure autogène des métaux. (Mémoires et compte rendu des travaux de la Société des ingénieurs civils de France. Bulletin, October, 1905, p. 442-443.) VDA

Reply to communication of M. Dumesnil. 15. Autogene Schweissung. illus. (Stahl und Eisen, Düsseldorf, v. 25, Aug. 1, 1905, p. 880-886.) VIA Refers mainly to oxy-hydrogen welding. Gas costs in comparison with acetylene.

16. Bone, W. A., and G. W. ANDREW. The combustion of acetylene. (Journal of the Chemical Society, London, v. 87, PKA 1905, p. 1232-1248.)

Abstracted in Journal of the Society of Chemical Industry, London, v. 24, 1905, p. 1005, VOA. Detailed results of experiments on different oxyacetylene mixtures under varying conditions. 17. Bureau Veritas. Rapport sur le chalumeau oxy-acétylènique de la Compagnie universelle de acétylène. illus. La revue technique, Paris, v. 26, Nov. 25, 1905, p. 856-859.)

Results of tests at the Laboratoire national du Conservatoire des arts et métiers.

18. Cutler, F. C. Autogenous welding. illus. (Cassier's magazine, v. 32, Sept., 1907, p. 441-447.) VDA

General article on welding and cutting. 19. Dumesnil, P. Procédés de soudure autogène des métaux. (Mémoires et compte rendu des travaux de la Société des ingénieurs civil de France. Bulletin, October, 1905, p. 438-439.) VDA

Very general in scope.

20. Fouché, Ed. [Procédés de soudure autogène des métaux.] (Mémoires et compte rendu des travaux de la Société des ingénieurs civils de France. Bulletin, Nov.-Dec., 1905, p. 609-611.) VDA

Discussion of letters of Dumesnil and Arnoux, which see.

21.

The use of acetylene for self welding. (Iron age, New York, v. 76, Dec. 7, 1905. p. 1561-1562.) VDA

Abstract of paper read before the Liege Congress of Mining and Metallurgy, July, 1905.

22. Fraubel, S. Die Anwendung des Azetylens zum Schweissen von Eisen und Stahl mittels Sauerstoff. (Schilling's Journal für Gasbeleuchtung u.s.w., München, v. 48, Dec. 2, 1905, p. 1069-1070.) VOA Abstracted in Electrochemical and metallurgical industry, New York, v. 4, Jan., 1906, p. 28, VIA; also in Journal of the Society of Chemical Industry, London, v. 24, Dec. 30, 1905, p. 1308, VOA.

Data as to required volume and pressure of gas and also as to cost.

23. Nemmo. Welding of metals with acetylene. (Electrical review, London, v. 3, Dec. 29, 1905, p. 1061-1062.) VIA

Also in Electrochemical and metallurgical industry, New York, v. 4, Feb., 1906, p. 70, VIA. Abstracted from Bulletin of Italian Engineers and Architects.

Gives practical working details.

1906

24. Acetylene for high-temperature work in laboratory and workshop. illus. (Electrochemical and metallurgical industry, New York, v. 4, Feb., 1906, p. 75-76.) VIA Description of welding devices of Harris Calorific Co., Cleveland, O., and of an acetylene genera

tor.

25. Beltzer, Andre. Autogenous welding of metals by the oxy-acetylene blowpipe and a new method of generating oxygen. illus. (Electrochemical and metallurgical industry, New York, v. 4, July, 1906, p. 284286.) VIA

Abstracted in Metal worker, New York, v. 66, Nov. 10, 1906, p. 67, VIA; in Machinery, New York, (Eng'ng ed.), v. 15, Sept., 1906, p. 27-28, VFA; and in Iron age, New York, v. 78, Nov. 1, 1906, p. 1149, VDA.

Discusses advantages of oxy-acetylene process, "epurite" (oxygen-powder), and method of weld.

ing.

4°.

New York, 1906. 2 1. illus. † VBA p.v.7, no.19

Reprint of the preceding article.

26. Burr, S. D. V. Autogenous welding with the oxy-acetylene flame. (Iron age, New York, v. 78, Nov. 29, 1906. p. 1437.) VDA

Refers to "Epurite" generator.

27. Michaelis, L. Ueber das Schweissen mit der Sauerstoff-Azetylen flamme (unter Benutzung eines Vortrages des Eduard Fouché). 15 illus. (Schiffbau, Berlin, v. 8, Nov. 28, 1906, p. 120-123 and Dec. 12, p. 168-172.) † VXA

A description of the apparatus and discussion of costs.

28. Rush, J. K. Acetylene for the laboratory. illus. (Electrochemical and metallurgical industry, New York, v. 4, May, VIA 1906, p. 197-198.)

Gives relative cost compared with coal-gas, etc.

29.

Schneider, Ernst. Autogene Schweissung der Metalle. Allgemeines. Komp

Elek

romierter Wasserstoff-Sauerstoff. trolytisch gewonnener Wasserstoff-Sauerstof. Acetylen-Sauerstoff, System Fouché. (Zeitschrift für Calciumcarbid-Fabrikation, Acetylen- und Klein-Beleuchtung, Berlin, v. 10, June 1, 1906, p. 166-172.) VGA

30. Schweissverfahren mittels der Sauerstoff-Azetylenflamme. illus. (Zeitschrift für Dampfkessel und Maschinenbetrieb, Berlin, v. 29, Feb. 28, 1906, p. 79-82.) VFA General article with table showing gas consumption and cost for varying plate thicknesses. 31. Wiss, E. Die autogene Schweissung der Metalle. illus. (Zeitschrift des Vereines deutscher Ingenieure, Berlin, v. 50, Jan. 13, 1906, p. 47-53.) VDA

English abstract in Engineering magazine, New York, v. 30, March, 1906, p. 900-902, VDA.

Discusses principally the oxy-hydric process. Brief comparison with oxy-acetylene on P. 53. For discussion with L. Michaelis, see Zeitschrift for May, 1906, p. 707-708.

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New process of the Acetylene Illuminating Company of Lambeth, London. Time and gas consump tion according to the French Bureau Veritas.

36. Booth, W. H. Oxy-acetylene blowpipe welding. illus. (American machinist, v. 30, part 2, July 11, 1907, p. 44-46.) VFA Making reinforced tubes for automobile work. Its possibilities for boilers and the reasons for its intense heat.

37. Brazing and welding. (American machinist, New York, v. 30, part 2, Nov. 7, 1907, p. 740.)

VFA

Contains a brief reference to oxy-acetylene pro

38. C., F. H. Welding steel with a blowpipe. illus. (American machinist, New York, v. 30, part 1, May 23, 1907, p. 734735.) VFA

Practice of the Worcester Pressed Steel Com

39. Cutting and welding steel with the Oxy-acetylene blowpipe. (Boiler maker, New York, v. 7, Dec., 1907. p. 370.) VFA 40. Davis, Augustine. Autogenous welding by the oxy-acetylene process. (International Acetylene Association. Proceedings, tenth annual meeting, Washington, D.C. Chicago, 1907, p. 60-64.) VOKA

Also in Metal worker, New York, v. 68, July 20, 1907, p. 60-61, VIA.

General in scope with table showing speed and cost of operation.

41. Gauthier, E., and C. RODRIGUES-ELY. Special oxy-acetylene burner for cutting metals. U. S. patent 874666, Dec. 24, 1907. (Electrochemical and metallurgical industry, New York, v. 6, March, 1908, p. 121.) VIA

42. Heraeus, W. C. Zur Schweissung des Aluminiums. (Chemiker-Zeitung, Cöthen, v. 31. Aug. 3, 1907, p. 773.) VOA

Abstracted in Electrochemical and metallurgical industry, New York, v. 6, March, 1908, p. 121, VIA. Concerning the priority of invention between Heraeus and Schoop.

43. Knappich, Jac. Autogene AcetylenSauerstoffschweissung. illus. (Zeitschrift für Calciumcarbid-Fabrikation, Acetylenund Klein-Beleuchtung, Berlin, v. 11, Jan. 11, 1907, p. 8-12.) VGA

General descriptive article with table showing amount of gas, cost, etc., for varying plate thick

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Describes the plant of the Worcester Pressed Steel Company used in the manufacture of steel parts for automobiles, bicycles, etc.

46. Peter. Schweissen und Löten. Elektrische Schweissmaschinen für Massenfabrikation. illus. (Glasers Annalen für Gewerbe und Bauwesen, Berlin, v. 60, 1907, p. 41-49, 61-65, 121-125.) VDA

Abstracted in Zeitschrift für Dampfkessel und Maschinenbetrieb, Berlin, v. 30, p. 79-80, 91, VFA. Refers mainly to electric welding. Brief comparison with oxy-acetylene.

47. Ruck-Keene, Harry. New methods of effecting boiler repairs. (Boiler maker, New York, v. 7, Dec., 1907, p. 363-366.)

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VFA

Abstracted in Iron and coal trades review, London, v. 75, Nov. 8, 1907, p. 1752, illus, VIA. Also in Railway and engineering review, Chicago, v. 47, Dec. 7, 1907, p. 1050-1052, VIA.

Description of the oxy-acetylene and electric processes of welding.

48. Safe blowing in Germany by use of oxy-acetylene burner. (Electrochemical and metallurgical industry, New York, v. 5, Sept., 1907, p. 381-382.) VIA

Account of an actual burglary.

49. Schneider, Ernest. Autogenous welding of metals; applications of the oxyhydrogen and oxy-acetylene flames. (Scientific American supplement, v. 64, July 20, 1907, p. 38-39.) VA Abstracted in Engineering magazine, New York, v. 34, Oct., 1907, p. 192-194, VDA.

Abstract from a paper read at Chemnitz, Germany. Gives cost data, and comparison of processes. 50. Schoop, M. U. Die autogene Schweissung von Aluminum. illus. Zeitung, Cöthen, v. 31, July 27, 1907, p. 749750.) VOA

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62. (Chemiker

Abstracted in Electrochemical and metallurgical industry, New York, v. 6, March, 1908, p. 95-96, VIA.

A brief account with tabulated data. 51. The autogenous soldering of metals. illus. (Scientific American, New York, v. 96, March 2, 1907, p. 189-190.) VA Industries for which it is suitable, and special application to soldering aluminum.

52. A burner for cutting metals. illus. (Electrochemical and metallurgical industry, New York, v. 5, August, 1907, p. 308-309.) VIA

53. Steel cutting with the oxy-acetylene flame. (Iron age, New York, v. 79, June VDA 20, 1907, p. 1871.) Demonstration by the Davis-Bournonville Acetylene Development Company, New York City. 54. Thomas, R. La soudure autogène des métaux. illus. (Bulletin technologique, Paris, Sept., 1907, p. [575]-628.)

VA

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Autogenous welding of metals. High temperatures for industrial purposes obtained by means of burners. illus. (Boiler maker, New York, v. 8, June, 1908, p. [165,-169.) VFA

Interesting comparisons of the various types of blowpipes: oxy-acetylene, oxy-hydric, and oxy-gas. 63. Bournonville, Eugene. Autogenous welding by the oxy-acetylene flame. (Metal worker, New York, v. 70, Dec. 19, 1908, p. 50.) VIA

Also in Iron age, New York, v. 82, Nov. 26, 1908, p. 1507, VDĂ.

Abstracted in Electrochemical and metallurgical industry, New York, v. 7, Feb., 1909, p. 85-86, VIA; Railroad age gazette, New York, v. 46, Jan. 8, 1909, p. 94-95, TPB.

Paper read before the Technology Club of Syracuse N. Y., Nov., 1908. Historical data. Comparisons of oxy-hydrogen, oxygen-coal gas and oxyacetylene processes. Describes high, low, and medium pressure torches.

64. Cave, Henry. The application of autogenous welding to automobile repairs. illus. (Machinery, New York, Eng'ng ed., VFA v. 15, Dec., 1908, p. 266-267.)

Also in Railway machinery, New York, v. 8, Dec., 1908, p. 266-267, VFA.

65. Cutting steel structures with the oxyacetylene burner. (Electrochemical and metallurgical industry, New York, v. 6, April, 1908, p. 164.)

VIA

Abstracted from Acetylen für Wissenschaft und Industrie, Jan. 15, 1908.

Rapid work in taking down a bridge.

66. Das "autogene Schneiden" in patentrechtlicher Beziehung. (Zeitschrift für Calciumcarbid-Fabrikation, Acetylen- und Klein-Beleuchtung, Berlin, v. 12, May 15, 1908, p. 111.) VGA

Discusses the Köln-Müsener patent and its conflicts. Reply to same in issue of Aug. 15, p. 186-187. 67. Davis, Augustine. The history and present status of the oxy-acetylene process in America. (International Acetylene Association, Proceedings, eleventh annual meeting, Chicago. Chicago, 1908, p. 109-117.) VOKA

Abstracted in American engineer & railroad journal, New York, v. 82, Sept., 1908, p. 360-361, TPB (Acetylene journal, Chicago, v. 10, Oct., 1908, p. 140-143.) VOA 68. Delcampe, C. Mechanical details of oxy-acetylene blowpipe. U. S. patent

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