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Current document root: Journal of the Society of Motion Picture Engineers ( Volume: 30, Issue: 5, May 1938)

A Horn Consisting of Manifold Exponential Sections

SMPTE • Journal Article • [Active]

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  • 1. Olson H. F. Massa F : “Applied Acoustics,” P. Blakiston's Son Co. ( Philadelphia ), p. 188 .EXTERNAL
  • 2. Graham L. M. : “New High-Powered Sound Projectors,” Broadcast News (Dec., 1937 ), No. 27 , p. 4 .EXTERNAL