100 Years of Cosmic Rays by DESY
= 100 Years of Cosmic Rays by DESY
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https://www.zeuthen.desy.de/exps/2012_VictorHess/Poster/Posterserie_100_Years_Cosmic_Rays.pdf
Institutional historical exhibition; first panel describes Wulf electrometers, Eiffel Tower observations and early Bergwitz balloon measurements. Dates and detailed rates vary in retrospective accounts and are not asserted in the profiles.