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Leather and humidity : U. S. Department of Agriculture, Press Service Sheet No. 205


Publisher
Elsevier Science
Year
1922
Tongue
English
Weight
86 KB
Volume
194
Category
Article
ISSN
0016-0032

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CURRENT TOPICS. [J. F. I. been found recently that metal surfaces carefully freed from gases do not exhibit any appreciable photo-electric effect. It seems therefore, as if the process of electronic emission from cold metal surfaces could take place only through the intermediary of the surface-lay