Emergence des caméras électroniques Lallemand : bilan de résidence de recherche CollEx-Persée Observatoire de Paris PSL.

Final report of the of the CollEx-Persée research residency at the Observatoire de Paris PSL devoted to the emergence of the Lallemand electronic camera. This detector invented in Strasbourg by André Lallemand (1904-1978) was developed at Paris Observatory after the Second World War. The laboratory's archives, treated within the framework of this research project, allowed the highlighting of a little-known period of the history of sciences of the 20th century and of its heritage.