細節
A barograph,
signed R. Bailey, 14, Bennett's Hill, Birmingham, No. 308, the lacquered-brass mechanism on oxidised-brass plate, with recording drum, mounted on an oak plinth base with bevel-cut glazed cover -- 13¾in. (35cm.) wide, and a quantity of recording cards
signed R. Bailey, 14, Bennett's Hill, Birmingham, No. 308, the lacquered-brass mechanism on oxidised-brass plate, with recording drum, mounted on an oak plinth base with bevel-cut glazed cover -- 13¾in. (35cm.) wide, and a quantity of recording cards