The Use of Steel Tape Magnetic Recording Media in Broadcasting

Bibliographic Reference(s)

• 1. For an overview of the development of BASF's early recording tapes, see Zimmermann Paul A. , “Magnetic Tapes, Magnetic Powders, Electrodes: New Communication Media,” Ludwig-shafen/Rhein , Basf , 1969 . A more detailed discussion of the manufacturing processes involved with these early tapes can be found in Richard A. Ranger, Fiat Final Report No. 923, “Further Studies in Magnetophones and Tapes,” Washington, D.C., Technical Industrial Intelligence Div., U.S. Dept. of Commerce, 1947, pp. 46ff. EXTERNAL
• 9. Briggs A. , The History of Broadcasting in the United Kingdom, Vol. Ii, The Golden Age of Wireless , Oxford University Press , London , 1965 , pp. 19 , 22 . EXTERNAL
• 10. “The Application of Sound Recording to Broadcasting,” in The B.B.C. Year-Book , London , British Broadcasting Corp. , n.d., 1934 , pp. 417 – 418 ; Paul Hatschek, “Neuestes undc Aelteres zum Magnettonfilm,” Die Kinotechnik, January 20, 1930, p. 48. EXTERNAL
• 11. Briggs , 9 p. 99 . EXTERNAL
• 12. Ford , 5 p. 116 ; Basil Lane, “75 Years of Magnetic Recording,” Wireless World, 81:182, April 1975. EXTERNAL
• 13. Pawley Edward , Bbc Engineering, 1922–1972 , London , Bbc Publications . 1972 , p. 180 . EXTERNAL
• 14. Lane , 12 p. 162 ; Ford, 5, p. 118. EXTERNAL
• 15. Hamilton H. E. S. , “The Blattnerphone — Its Operation and Use,” Electrical Digest , 4 : 348 , 350 . December 1935 : Pawlev.13 D. 180. EXTERNAL
• 16. Hamilton , 15 p. 351 ; J. Toohey, “Disc and Magnetic Recordings,” The Australian Postal Electrician. June 24, 1937, pp. 72–75; letter to the author from Roy Rodwell, Publicity Unit, The Marconi Company Ltd., Chelmsford, England, June 1, 1984; Michel Adam, “Radiotechnique: Le Centre d'Enregistrement du Service de la Ra-dibdiffusion, a Paris,” Le Genie Civil, 108:210–211, February 29, 1936. EXTERNAL
• 17. Publicity Dispatch 388 , Marconi-Stille Recorder-Reproducer Equipment, Type M.S.R.3 , London , Marconi's Wireless Telegraph Co., Ltd. , n.d., p. 2 . EXTERNAL
• 18. Ibid., p. 10 . EXTERNAL
• 2. Zimmermann , 1 pp. 9 – 10 , 37 – 39 . EXTERNAL
• 19. Ibid., pp. 4–6; Barrett A. E. Tweed C. J. F. , “Some Aspects of Magnetic Recording and Its Application to Broadcasting,” Institution of Electrical Engineers J. , S2 .- 256 – 288 , March 1938 ; Pawley, 13 pp. 181–182. EXTERNAL
• 20. Pawley , 13 p. 181 ; letter to the author from Claes Cnattingius, director, Gramophone Dept., Sver-iges Riksradio AB, Stockholm, Nov. 14, 1983. EXTERNAL
• 21. Ford , 5 p. 118 ; interview by Peter Hammar, curator, Ampex Museum of Magnetic Recording, Redwood City, Calif., with Dr. S. J. Begun, April 13, 1983. EXTERNAL
• 22. “Lorenz Stahlton-Bandmaschine,” Berlin-Tem-pelhof , C. Lorenz AG , n.d., p. 3 ; “Tape Recorder Weighs a Ton,” Audio, 38:5i, May 1954. EXTERNAL
• 23. “Die neue Stahlton-Bandmaschine,” Lorenz Ber-Ichte , January 1936 , pp. 53 – 55 ; “The New Steel Tone Tape Machine,” Electrical Communication, 15:69, July 1936. EXTERNAL
• 24. von Braunmuhl Joachim Hans , “Magnetische Schallaufzeichnung im Rundfunk,” Funklech-nische Monatshefte , December 1934 , pp. 483 – 486 ; H. Weber, “Magnetische Schallaufzeichnung auf Stahlband fur Rundfunkwecke,” Techntsche Mitteilungen (Bern), Nov. 1, 1938, p. 1. EXTERNAL
• 25. “Steel Ribbon Recording in France,” Radio-Craft , 7 : 556 , March 1936 ; letter to the author from D. Kramer, technical director, Schweizer-ische Radio- und Fernsehgesellschaft, Zurich, March 21, 1984. EXTERNAL
• 26. Hickman C. N. , “Delayed Speech,” Bell Laboratories Record . 308 – 310 , June 1933 ; Ford, 5 p. 119; Mark Moohey, Jr., “The History of Magnetic Recording,” Hi-Fi Tape Recording, February 1954, p. 24. EXTERNAL
• 27. Mallina R. F. , “A Mirror for the Voice,” Bell Laboratories Record, /J.200–202, March 1935; “The Mirrophone” Wireless World , 48 : 42 – 41 , February 1942 . EXTERNAL
• 28. Letter to the author from Per Nils Jensfelt, Udde-holm Tooling AB, December 8, 1983 . EXTERNAL
• 3. “The Telegraphone,” Scientific American , Supplement No. 1286, August 25, 1900 , p. 20616 ; “Poulsen Telegraphone,” Scientific American, 8J.181, September 22, 1900; Herbert C. Fyfe, “The Telegraphone and the British Post Office,” Scientific American, 88:317, April 25, 1903; M. Aliamet, “LeTelegraphonede M. Paulsen” [sic], L'Electricien, No. 492, June 2, 1900, p. 338; Jul. H. West, “Ueber den Telephonographen von Poulsen,” Elektrotechnische Zeitschrift, 22: 81 −184, February 21, 1901. EXTERNAL
• 29. Memorandum from Gunnar Vinell, Munkfors plant manager , August 15. 1931 , Uddeholm Tooling AB archives . EXTERNAL
• 30. Pawley , 13 p. 182 . EXTERNAL
• 31. Barrett Tweed , 19 p. 281 ; Per Nils Jensfelt letter. 28. EXTERNAL
• 32. Godfrey James W. , “The History of Bbc Sound Recording” J. of the British Sound Recording Assoc. , 5 : 8 , May 1959 ; Robert Angus, “75 Years of Magnetic Recording,” High Fidelity Magazine, March 1973, p. 46. EXTERNAL
• 33. “Agreement J. C. 8046/A: Marconi-Stille Tape,” March 24, 1934 , p. 1 , The Marconi Co. Ltd. archives . EXTERNAL
• 34. Ibid., p. 6 ; Pawley, 13 p. 182. EXTERNAL
• 35. Reports from the Hagfors Physical Laboratories, 1936 , 1938, Uddeholm AB Tooling archives. EXTERNAL
• 36. Letter to the author from Per Nils Jensfelt, manager, Technical Development Dept., Uddeholm Tooling AB, April 5, 1984 . EXTERNAL
• 37. Memorandum from Gunnar Vinell, report on visit to Radiotjanst, January 29, 1936 , Uddeholm Tooling AB archives; memorandum from Arved von Vegesack, report on visit to Radiotjanst, May 5, 1939, Uddeholm Tooling AB archives. EXTERNAL
• 38. Pawley , 13 p. 182 ; Erwin Meyer and Eduard Schuller, “Magnetische Schallaufzeichnung auf Stahlbander,” Zeitschrift fur technische Physik. 1, J.-593, No. 12; according to a letter to the author from Elvert Eriksson of the Historical Archives, Sandvik AB, September 16, 1983, there exists no documentation today about Sandvik's involvement with steel tape in its archives. EXTERNAL
• 4. The tribulations encountered by Poulsen's licensees are recounted in Absalon Larsen, Telegra-fonen og deri Traddlfyse og Opfmderparret Valdemar Poulsen og P.O. Pedersen. Copenhagen, Forlag Teknisk , 1950 . The remarkable intrigue surrounding Poulsen's American licensee, the American Telegraphone Corp., is discussed in “Hearing before the Committee on Patents,” U.S. Senate, 72nd Congress, 1st Session, on S. 1301, a Bill to Renew Certain Letters Patent., March 10, 1932, Washington, D.C. , U.S. Government Printing Office , 1932 . EXTERNAL
• 5. Nasarischwily A. , “Neue Versuche mit dem Tele-graphon,” Elektrotechnlsche Zeitschrift , 4 /. 1068 , September 22, 1920 ; Peter Ford, “History of Sound Recording, Iii. The Evolution of Magnetic Recording,” Recorded Sound, 2.116–117, April/July 1963,. EXTERNAL
• 6. Bishop H. , “Electro-Magnetic Sound Recording Machines,” The Electrical Review , 97 : 45 – 47 , July 10, 1925; Ford, 5 pp. 116–117. EXTERNAL
• 7. Stille Curt , “Elektromagnetische Aufzeichnung Akustischer Zeichen,” Filmtechnik und Licht-spiel, J.I91–194, April 27, 1929; idem., “Die Elektromagnetische Schallaufzeichnung” Elektrotechnlsche Zeitschrift , 57 : 449 – 451 , March 27, 1930 . EXTERNAL
• 8. For a discussion of the early, abortive attempt by Stille and Blattner to introduce magnetic recording into film production practice, see Lafferty William , “The Blattnerphone: An Early Attempt to Introduce Magnetic Recording into the Film Industry,” Cinema J. , 22 . 18 – 37 , Summer 1983 . EXTERNAL