11. The agent made his report in plain speech, and the aircraft recorded the transmission on a wire recorder . 12. Before and during World War II Camras'early wire recorders were used by the armed forces to train pilots. 13. In 1924, a German engineer, Dr . Kurt Stille, developed the Poulsen wire recorder as a dictating machine. 14. The wire recorder business was short-lived. 15. Their leading business was wire recorders . 16. Sound was recorded " wild " on a simple wire recorder , making it impossible to synchronise in post production. 17. The Minifon wire recorder was designed for stealth use and its accessories included a microphone disguised as a wristwatch. 18. The books " Questions and Answers " contain the transcripts of contact evenings which were recorded on a wire recorder . 19. Camras built his first recording device, a wire recorder , in the 1930s for a cousin who was an aspiring singer. 20. A wire recorder is also used as a plot device in Arthur Miller's 1949 play, " Death of a Salesman ".
