Scheme of the device used between 1927 and 1928 by Frédéric Joliot for his doctoral thesis in Physical sciences

Device used by Frédéric Joliot between 1927 and 1928 for his doctoral thesis in Physical sciences into the Radium Institute. Adaptation of the scheme published for his doctoral thesis "Etude électrochimique des radioéléments" ("Electrochemical study of radioelements"), fig. 1, Journal de Chimie Physique, 1930.