XEE4192287 The astronomer and his astronomical bezel on the Place du Chatelet, in Paris, at the time of the observations of the planet Venus, in February 1889. Engraving in ??????La Nature. Revue des sciences et de ses applications aux arts et a l\'industrie?? 1889. by Unknown Artist, (19th century); Private Collection; (add.info.: The astronomer and his astronomical bezel on the Place du Chatelet, in Paris, at the time of the observations of the planet Venus, in February 1889. Engraving in ??????La Nature. Revue des sciences et de ses applications aux arts et a l\'industrie?? 1889.); Stefano Bianchetti.