File:Rudolf Goldschmidt (1927).jpg

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Rudolf_Goldschmidt_(1927).jpg(637 × 494 pixels, file size: 127 KB, MIME type: image/jpeg)

Captions

Captions

Rudolf Goldschmidt demonstrating a heart monitor.

Summary[edit]

Description
English: Rudolf Goldschmidt demonstrating a heart monitor. Original photo caption: "Dr. Goldschmidt demonstrating his new 'vitality meter.' The slightest changes in the rate and nature of the subject's pulse beats are charted accurately on the moving tape."
Date
Source Popular Science Monthly, Volume 110, May 1927, page 55.
Author Unlisted

Licensing[edit]

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Rudolf_Goldschmidt_(1927).jpg

File history

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Date/TimeThumbnailDimensionsUserComment
current18:41, 1 January 2023Thumbnail for version as of 18:41, 1 January 2023637 × 494 (127 KB)Thomas H. White (talk | contribs)Uploaded a work by Unlisted from Popular Science Monthly, Volume 110, May 1927, page 55. with UploadWizard

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