This article is published in the occasion of the discovery of a daguerreian self-portrait by Victor Regnault No images? Click here VICTOR REGNAULT  ARBITER EXPERIMENTUM Henri Victor Regnault (1810-1878) was not only a remarkable professor and experimenter in chemistry and physics but also a central figure during the earliest years of photography in Europe: Arago … Continue reading 18.05.2020 Investigating Victor Regnault’s Principle: The Result of any Experiment must be Straightforward and Clear.

Chateauroux est une paisible préfecture du centre de la France dont l'altitude varie de 154 à 164 mètres‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ … Continue reading 15.05.2020 Cours improvisé d’expertises de photographies anciennes

Once this place was humming And the air was full of drumming The sound of cymbals crashing Glasses were all smashing ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ … Continue reading 05.05.2020 “Paris embellie, Paris agrandie et … Paris assainie”, Souvenirs de l ’embellissement stratégique par un artiste démolisseur