00000nam 2200000zi 4500 9.867792 CaOODSP 20221107162415 m o d f cr ||||||||||| 190130s1959 onc ot f|0| 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn--- M38-1/47-1959E-PDF Parsons, D. E., author. Vacuum degassing of steel. Part 1, Literature survey, and preliminary work / by D. E. Parsons and W. A. Morgan. Ottawa, Ontario : Department of Mines and Technical Surveys, 1959. 1 online resource (vi, 75 pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier Mines Branch Research Report ; R 47 "May 25, 1959." Includes bibliographic references. "This report discusses methods and equipment used for vacuum degassing and vacuum casting of steel on an industrial scale in the U.S.A., Germany, and the U.S.S.R. The production of degassed alloy and carbon steel ingots up to 350 tons in the U.S.A. and Germany is reviewed"--Abstract, p. i. Includes abstract in French. gccst Metals gccst Steel Morgan, W. A., author. Canada. Department of Mines and Technical Surveys. Canada. Mines Branch. Research report (Canada. Mines Branch) R 47. (CaOODSP)9.855660 PDF 4.17 MB https://publications.gc.ca/collections/collection_2019/rncan-nrcan/m38-1/M38-1-47-1959-eng.pdf