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Current document root: Journal of the Society of Motion Picture Engineers ( Volume: 20, Issue: 1, January 1933)

Remarks on the Making of Sound Records on Lenticular Color Films

SMPTE • Journal Article • [Active]

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  • 1 U. S. Pat. 1,460,703, July 3, 1923 ; also U. S. Pat. 1,552,791, Sept. 8, 1925 .EXTERNAL