Los Angeles Public Library > Los Angeles Public Library Photo Collection > Voice Meter machine

Image / Voice Meter machine

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Title
Voice Meter machine
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.; Title supplied by cataloger.
Photograph caption dated May 14, 1929 reads, "People are just beginning to learn about speech," says Mr. Grace. Jean Chaney shows a machine developed by telephone engineers here to measure strength and proper use of voice. When one speaks properly into the mouthpiece, the dial, pointed out by arrow, so indicates. When the voice is "off," the dial registers exactly how much."
Type
Image
Format
1 photographic print :b&w ;20 x 25 cm.
Photographic prints
Identifier
00095925
Herald Examiner Collection
HE box 102.
CARL0005059181
http://173.196.26.125/cdm/ref/collection/photos/id/33265
Subject
Technological innovations--California--Los Angeles
Inventions--California--Los Angeles
Inventions--Miscellanea
Acoustic streaming
Herald-Examiner Collection photographs

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