An Antique French Polished And Lacquered 8-day Barograph Signed By The makers RF, the substantially well made polished and lacquered case with lift off lid containing 3 original thickly cut bevelled glass panels, the 8-tier vacuum chamber contained within a lacquered polished brass interior, containing a mercury thermometer and a swedish retailers plaque, the french 8-day movement with cylinder type escapement and original winding key sitting on a cast signed and numbered bronze base, maker RF, circa 1920’s Size: 14” x 8½” x 7”.