ALLEMAGNE ou ALSACE, XVIIIème-XIXème siècles Quadruple hourglass in organ case with ten columns, swivelling on axis, on wall plate, in stained wood, moulded and turned. Four blown glass vials each formed of two pyriform ampoules containing red sand, connected by a composition ring. Dim. organ: 17.9 x 23 x 7.5 cm - Dim. plate: 29.6 x 27 cm. Cracks, oxidation, small lacks. The third flask opened and empty.