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34. C. W. Balke, "The Effect of Pressure on the Properties of Compacts," Svmposium on 



Powder Metallurgy, A.S.T.M., 1943. p. 11. 



35. E. W. Engle, "Cemented Carbides/' Powder Metallurgy, ^.5.il/., 1942, p. 436. 



36. F. H. Clark, "Powder Metallurgy," Mining and Met., 25, 81, 1944. 



37. C. Hardv, "Powder Metallurgy in the Electrical Field," Metal Progress, 36, 57, 1939. 



38. H. W. Highriter, -Refractory Aletals," Powder Metallurgy, A.S.M., 1942, p. 408. 



39. P. E. Wretblad, "Manufacture of Tungsten Metal," Powder Metallurgy, .4 .5. J/.. 



1942. p. 420. 



40. G. H. S. Price, S. V. Williams, and G. J. O. Garrard, "Heavy Alloy — Its Production, 



Properties and Uses," Metal hid. (London). 59, 354, 1941. 



41. H. H. Hausner. "Some Modified 'Heavy Metal' Alloys," Metals and Alloys, IS, 



1335. 1943. 



42. F. R. Hensel, E. I. Larsen, and E. F. Swazy, "Tungsten-Copper for Electrical Con- 



tacts." Metals and Alloys, 13, Sll , 1941. 



43. E. M. Wise, "Rare and Precious Metals," Mining and Met., 25, 78, 1944. 



44. F. C. Kellev. "Powder Metallurgy." Electrical Engineering, 61, 468, 1942. 



45. G. H. Howe. "Sintering of Alnico," Iron Age, 145, 27, 1940. 



46. B. ^I. Smith, "Alnico — Properties and Equipment for Magnetization and Test," 



General Electric Rev., 45, 210, 1942. 



47. G. H. Howe, "Sintered Alnico," Powder Metallurgy, A.S.M., 1942, p. 530. 



48. P. R. Kahscher, "Some Experiments in the Production of Aluminum-Nickel-Iron 



Alloys by Powder Metallurgy" (also discussion). Trans. A.LM.E., 145, 369, 1941. 



49. \\". D. Jones, "The Manufacture of Articles from Powdered Metals," Mech. World 



111.91, 1942. 



50. J. J. Cordiano, "Copper in Powder Metallurgy," The Electrochem. Soc. Preprint 85-4, 



April 1944. 



51. E. E. Thum, Metal Progress, 43, 412, 1943. 



52. F. \'. Lenel, "The Mechanical Properties of the Products of Powder [Metallurgy." 



Metallurgia, 2S, 189, 1943. 



53. .\. J. Langhammer, Symposium on Powder Metallurg}'-, A .S.T.M., 1943, pp. 23 and 24. 



54. C. Hardy, "Manufacture and Use of Powdered Metals," Metal Progress, 22, 32. 1932. 



55. J. F. Kuzmick, "Metal Powder Friction Materials," Symposium on Powder Metal- 



lurgy, .4 .S.T.M., 1943, p. 44. 



56. W. C. Ellis and E. E. Schumacher, "A Survey of Magnetic Materials in Relation to 



Structure." Metals and Alloys, 5, 269, 1934; 6, 26, 1935. 



57. E. E. Schumacher, "Magnetic Powders," Powder Metallurgy, A.S.M., 1942, p. 166. 



58. C. Hardy, "Powder Metallurgy as a Help to National Defense," Wire and Wire 



Products, 17, 247, 1942. 



59. C. Hardy and G. D. Cremer, "Production of High Density Parts by Powder iNIetal- 



lurgy Increases," Mining and Met., 23, 509, 1942. 



60. E. S. Patch, "Limitations of Powder [Metallurgy," Metal Ind. (London), 5S, 111, 1941. 



61. M. T. Victor and C. A. Sorg, "Design of Powder Metallurgy Parts," Metals and 



Alloys, 19, 584, 1944. 



62. J. L. Bray, "Powder Metallurgy and the 'Magal' Age," Industry and Poicer, 46, 



62. 1944. 



63. P. Schwarzkopf and C. G. Goetzel, "Processing Trends in Powder Metallurgy," 



Iron Age, 146,39, 1940. 



64. C. Hardy, Symposium on Powder Metallurgy, A.S.T.M., 1943, p. 54 (Discussion). 



65. P. R. Kalisc'her, "Powder Metallurgy," Metals and Alloys, 19, 82, 1944. 



66. V. E. Legg, "Survey of Magnetic [Materials and AppHcations in the Telephone 



System," Bell Svst'em Tech. Jour., 18, 438. 1939. 



67. P. P. Alexander, "The Hydride Process,'" Metals and Allovs, S, 263, 1937; 9, 45, 179, 



270. 1938. 



