Details
A barograph,
by J.H. Steward, the oxidised and lacquered-brass mechanism with silvered aneroid and recording drum, mounted under a hinged glazed cover, on plinth base -- 12in. (30.5cm.) wide
by J.H. Steward, the oxidised and lacquered-brass mechanism with silvered aneroid and recording drum, mounted under a hinged glazed cover, on plinth base -- 12in. (30.5cm.) wide