such lost piece, Pissarro's 1897 oil painting, Rue St. Honoré, Apres Midi, Effet de Pluie, was discovered hanging at Madrid's government-owned museum, the...

(1803), "Note sur le bélier hydraulique, et sur la manière d'en calculer les effets" [Note on the hydraulic ram, and on the method of calculating its effects]...

most renowned art historians, including Bernard Berenson and Lionello Venturi. The portrait is now considered most likely to show Francesco Maria I della...

patented a more compact hydraulic ram pump where the waste valve used the venturi effect and was arranged concentrically around the input pipe. Initially...