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A Mahogany Cased Barograph by Sharman D. Neil Ltd, Belfast, with sixteen section vacuum, ivory thermometer, working clockwork mechanism, ink bottle, ivorine plaque inscribed `By Apptmt to His Majesty the King, 22 Donegall Place, Belfast`, graph drawer to base with graphs, the lift-off lid with bevelled glass panels
A mid-20th Century Mahogany cased Barograph, apparently unsigned, the regular shaped rectangular case with carry handle and three glazed panels and hinged to one end, on a plinth base with bracket feet, and enclosing an 8 day spring driven drum mechanism, and 8 bellow mechanism with aluminium recording arm, length 11”
A brass bound mahogany barograph Elliott Bros., London, early 20th century With eight-part vacuum chamber within lacquered brass armature operating inked pointer for the clockwork driven rotating paper-scale lined drum the interior applied with ivorine plaque ELLIOTT BROS, LONDON beneath five panel bevel glazed cover with brass edged top and bottom rails, on ogee moulded base with chart drawer to apron, 36cm wide. Provenance: the base is applied with a brass plaque inscribed ADMIRALTY PRIZE, FOR FIVE FIRST CLASS CERIFICATES ,1905, SUB-LIEUTENANT CUTHBERT D. LONGSTAFF R.N..
A GERMAN BAROGRAPH the lacquered brass instrument with clockwork motor, blued steel screws, nickel plated recording drum and two holders stands in mahogany hinged case, a drawer at one end containing printed instruction leaflet, 20cm h excluding the handle, the mechanism stamped MADE IN BADEN, c1910 A good quality example in fine original condition, clockwork mechanism sold without warranty
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