Record #552
- Date:
- 04/01/1929
- Record Type:
- Report
- From/By:
- J. A. Ball, Director, Academy of Motion Picture Arts and Sciences (Technical Bureau)
- To:
- Maurice McKenzie, Executive Assistant
- Reel:
- Reel 6
- Frame Start:
- 6-0462
- Frame End:
- 6-0469
- Legacy ID:
- 555
- Legacy Year:
- 1929
- Legacy Index:
- AMPAS - research
Ball reports on the state of sound technology. The report itself is dated 26 December 1928.
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