细节
A fine barograph,
the lacquered-brass mechanism unsigned, with recording drum, thermometer and aneroid scale, in bevel-glass mahogany case with graph drawer, 15 1/8in. (38.4cm.) wide
See Illustration
the lacquered-brass mechanism unsigned, with recording drum, thermometer and aneroid scale, in bevel-glass mahogany case with graph drawer, 15 1/8in. (38.4cm.) wide
See Illustration