

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 FOLIOSTAND,
the adjustable compartmented sides on turned
central column and arched downswept legs,
terminating in lotus capped feet and castors,
114 x 71cm
€ 400 - 600