Image / Science measures voice emotion

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Title: Science measures voice emotion
Alternative Title: Los Angeles Herald Examiner Photo Collection
Date Created and/or Issued: 1929
Contributing Institution: Los Angeles Public Library
Collection: Los Angeles Public Library Photo Collection
Rights Information: Images available for reproduction and use. Please see the Ordering & Use page at http://tessa.lapl.org/OrderingUse.html for additional information.
Description: Photograph was edited for publication purposes.; Original print is damaged.
Photograph caption dated January 19, 1929 reads, "Dr. Wagner speeds up the natural rate of vibrato oscillation by "harnessing" the voices to rhythm through using a metronome in the tests. Here is Ruth Pfaff with her "before and after" contralto voice record. Dr. Wagner built his device from a baking powder can, flashlight cylinder and auto headlight combined with costly parts."
Type: image
Format: 1 photographic print :b&w ;26 x 21 cm.
Photographic prints
Identifier: 00095921
Herald Examiner Collection
HE box 102.
CARL0005059177
http://173.196.26.125/cdm/ref/collection/photos/id/33260
Subject: Technological innovations--California--Los Angeles
College teachers--California--Los Angeles
Inventions--California--Los Angeles
Inventions--Miscellanea
Acoustic streaming
Herald-Examiner Collection photographs

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