18TH CENTURY BAROMETER BY DOLLAND OF LONDON - REF No. 123
H: 44 1/2 in / 113 cm
An exceptional late 18th century mahogany cased stick barometer by Dolland of London, The mahogany case of a very solid construction and with a superbly made turned mahogany cistern cover. The architectural top with a central brass finial above a hydrometer subsidiary dial.
The main silvered brass scale calibrated from 28" to 31" and incorporating a sliding silvered brass vernier with brass knob and pointer. The scale also with typical weather indications of the period ranging from Very Dry to Stormy and engrave with the makers name Dollond, London enclosed by a brass hinged door. The main column of the barometer with the extremely rare feature of a full length silvered brass thermometer scale reading from 20 to 110 degrees Fahrenheit
again enclosed by a brass hinged door. The mercury thermometer attached to the scale with a brass loop to the top.
Circa 1780 - 1790
The son of John Dollond, who was originally a Huguenot silk weaver but went into partnership with his Father between 1752-61. His brother also joined him in 1766 until 1804 when he died. Peter Dollond is described as a brilliant Instrument Maker and was appointed Optician to King George III and the Duke of York. Born 1730. Died 1820.