The variation in the blackening of a photographic plate with time of exposure, total energy remaining constant

Thesis

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Paul Streeper Helmick

University of Iowa

Master of Science (MS), State University of Iowa

1916

DOI: 10.17077/etd.asro3q2x

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Title: Subtitle: The variation in the blackening of a photographic plate with time of exposure, total energy remaining constant
Creators: Paul Streeper Helmick - State University of Iowa
Resource Type: Thesis
Degree Awarded: Master of Science (MS), State University of Iowa
DOI: 10.17077/etd.asro3q2x
Publisher: University of Iowa
Copyright: Material in the public domain. No restrictions on use.
Language: English
Date copyrighted: 1916
Academic Unit: Thesis and Dissertation Archive; Graduate College
Record Identifier: 9983776731402771

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