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

Bibliographic Details
Main Author: Helmick, Paul Streeper
Format: Others
Language:English
Published: University of Iowa 1916
Online Access:https://ir.uiowa.edu/etd/3977
https://ir.uiowa.edu/cgi/viewcontent.cgi?article=3980&context=etd