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Page Background 129 A GEORGE III MAHOGANY STICK

BAROMETER

By John Bleuler London, Late 18th Cent, the silvered

rectangular vernier scale calibrated in

barometric inches from 27 to 31 to the right hand margin,

opposing weather observations to the left, the upper

margin with engraved signature J. Bleuler, London, set

within concave glazed case surmounted by a broken ar-

chitectural pediment, centred by an urn finial, the slender

mahogany trunk with moulded edge and exposed tube,

above rounded base applied with half-sphere cistern

cover with moulded

cylindrical upstand and narrow band to waist, the

underside with brass level adjustment screw. 95cm high.

John Bleuler is recorded (in Clifton, Gloria Directory of

British Scientific Instrument Makers 1550-1851) as ap-

prenticed to Henry Shuttleworth in 1771, he took on the

business of the late Thomas Whitford at 27 Ludgate Hill,

London in 1791 and worked from that address until 1822.

He died in 1829.

€ 1,000 - 1,500

130 A WILLIAM IV MAHOGANY FOLIO

STAND,

the adjustable compartmented sides on turned

central column and arched downswept legs,

terminating in lotus capped feet and castors,

114 x 71cm

€ 400 - 600