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Strobo-camera demonstration

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Order Number	00095931
Title	Strobo-camera demonstration
Collection ID	Herald Examiner Collection
Location/Accession	HE box 102.
Date	1934
Physical Description	1 photographic print :b&w ;20 x 25 cm.
Notes	Title supplied by cataloger.
Description	Pictured is Dr. Milton Metfessel of the University of Southern California, demonstrating a new device called a strobo-camera, which "photographs" songs of birds and thus records range and vibrations of their voices for scientific analysis. The singing birds cause a neon light to respond with light vibrations. These are picked up by the apparatus pictured here, and recorded on a whirling disc with a stream of dots. Photograph dated March 12, 1934.
Subject	University of Southern California. University of Southern California--Faculty. Technological innovations--California--Los Angeles. College teachers--California--Los Angeles. Acoustic streaming. Acoustic imaging. Los Angeles Evening Herald and Express photographs. Herald-Examiner Collection photographs.
Format	Photographic prints
Reproduction Information	Images available for reproduction and use. Please see the Ordering & Use page at http://tessa.lapl.org/OrderingUse.html for additional information.
Sub-Collection Name	Los Angeles Herald Examiner Photo Collection