A mahogany cased aneroid barograph Short & Mason, London, early 20th century With twelve-part vacuum chamber within lacquered brass armature operating an inked pointer for the rotating paper lined drum, the base plate stamped SHORT & MASON, London, No. E 3455, with five bevel glass cover and on ogee moulded base with chart drawer to apron and on disc feet, 37cm wide.
A mahogany cased aneroid barograph Short & Mason, London, early 20th century With twelve-part vacuum chamber within lacquered brass armature operating an inked pointer for the rotating paper lined drum, the base plate stamped SHORT & MASON, London, No. E 3455, with five bevel glass cover and on ogee moulded base with chart drawer to apron and on disc feet, 37cm wide.
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
