Suitability of Siemens barrier-plane photocell in front of 3 sq cm light-sensitive element for photometric purposes; simple method of amplification.
Ueber die Eignung der Sperrschichtzellen zur objektiven Photometrie, etc
Ueber die Eignung der Sperrschichtzellen zur objektiven Photometrie, etc
Licht und Lampe ; 21 , n 3
1932
5 pages
Article (Journal)
German
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