ANOUNCY. Universal exhibition. Palais de l'Optique. The Great Bezel of 1900. Gouache and watercolour model on paper. Wear an inscription in ancient Greek at the bottom left: "gemeaux" (the constellation of the Gemini had been more precisely observed thanks to this bezel). Quite good general condition: small pinholes in corners, slight traces of humidity, stains, dirt. 60 x 40 cm