Open AccessThe Variation in the Blackening of a Photo-Graphic Plate with Time of Exposure, Total Energy Remaining Constant
Author(s) -
P. S. Helmick
Publication year - 1918
Publication title -
physical review
Language(s) - English
Resource type - Journals
eISSN - 1536-6065
pISSN - 0031-899X
DOI - 10.1103/physrev.11.372
Subject(s) - variation (astronomy) , constant (computer programming) , energy (signal processing) , optics , physics , materials science , astrophysics , quantum mechanics , computer science , programming language
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