The blackening of a photographic plate as a function of intensity of light and time of exposure

Dissertation

Paul Streeper Helmick

University of Iowa

Doctor of Philosophy (PhD), State University of Iowa

1920

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Title: Subtitle: The blackening of a photographic plate as a function of intensity of light and time of exposure
Creators: Paul Streeper Helmick - State University of Iowa
Resource Type: Dissertation
Degree Awarded: Doctor of Philosophy (PhD), State University of Iowa
Publisher: University of Iowa
Copyright: Material in the public domain. No restrictions on use.
Language: English
Academic Unit: Graduate College
Record Identifier: 9983776501602771

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