Verweise

NOTES:

1. On Morse and the telegraph see Lewis Coe (1993; on Bell and the telephone see Robert Bruce (1990). On Oberlin Smith see Mark Clark "The Magnetic Recording Industry" (1992) and his Chapter 2 of Magnetic Recording: the First 100 Years, edited by Daniel et. al. (1999).
2. On Poulsen see Begun's Chapter 1 (1949), and Mark Clark "The Magnetic Recording Industry" (1992) and his Chapter 3 of Magnetic Recording: the First 100 Years (1999).
3. On Sayville and the Navy, see Morton (1995) pp. 89-90.
4. On Stille and Begun see Begun's Chapter 1 (1949) and Mark Clark's Chapter 4 of Magnetic Recording: the First 100 Years (1999).
5. On Pfleumer see Friedrich Engel's Chapter 5 of Magnetic Recording: the First 100 Years (1999).
6. On steel tape in the 1930s, see Begun's Chapter 1 (1949), Morton Chapter 3 (1995).
7. On the German Magnetophone see Friedrich Engel's Chapter 5 of Magnetic Recording: the First 100 Years (1999) that used primary documents of BASF (now EMTEC).
8. On Mullin see Nmungwun's Chapter 4 (1989) that used primary documents of Ampex and interviews with Mullin; see also the Mullin videotape from the Audio Engineering Society.
9. On Crosby see Nmungwun's Chapter 4 (1989); the Mullin videotape (1989); Schoenherr "Der Bingle Technology" (2002); Ampex quote from Perry (1967).
10. On Begun see Begun's Chapter 1 (1949) ; Beverley Gooch's Chapter 6 of Magnetic Recording: the First 100 Years (1999); letter from Ralph J. Oace to Bert S. Groves, Jan. 31, 1964.
11. On motion picture sound see Belton (1992).
12. On the magnetic drum see Schoenherr "The Magnetic Drum" (2003).
13. On UNIVAC see Gray (2001); on SAGE see Spicer (2000) and Schoenherr "The SAGE Air Defense" (2000).
14. On RAMAC see Johnson (1989); Schoenherr "The Floppy Disk" (2003).
15. On tape recorders see Angus (1984); Grundig history (2002); Nagra history (2002); Sony history (2002); Studer history (2002).
16. On the VTR see Nmungwun's Chapter 6 (1989); Ginsburg (1957).
17. On helical scan, see Nmungwun's Chapter 7 (1989); Schoenherr "Television Instant Replay" (2002).
18. On the cassette see Morton's Chapter 8 "The Eight Track Tape Cartridge" in his "History of Magnetic Recording" (1995).
19. On the Walkman see David Frith (1999).
20. On Dee Hock and the credit card, see Mandell (1990).
21. On the floppy disk see Schoenherr "The Floppy Disk" (2003) .
22. On Shugart see Schoenherr "The Floppy Disk" (2003).
23. On the digital revolution, see Schoenherr "The Digital Revolution" (2001).

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