Thomas Jones - London. A significant mahogany-cased Sympiesometer –No. 111
Thomas Jones - London. A significant mahogany-cased Sympiesometer –No. 111
Thomas Jones - London. A significant mahogany-cased Sympiesometer –No. 111
Thomas Jones - London. A significant mahogany-cased Sympiesometer –No. 111

Thomas Jones - London. A significant mahogany-cased Sympiesometer –No. 111

c. 1819 London

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A significant mahogany-cased Sympiesometer –No. 111 - made under license from the patentee, Alexander Adie of Edinburgh. The plates are finely executed, signed by the maker and bearing mercury Fahrenheit thermometer and – probably original – sympiesometer tube.The plate is also inscribed: “Adie’s Patent No.111”. The correction plates are rack-and-pinion vernier operated. Adjustable register to base. All are protected by bevelled plate glass. [H 18in / 46cm] Intriguingly, the construction departs considerably from Adie’s original design, particularly in being more compact than the original.

“Jones of Charing Cross” was one of the pre-eminent London Instrument-makers of his day, evidenced by his securing the Adie Licence in 1819. His business flourished for over 50 years from the end of his apprenticeship to the renowned Jesse Ramsden in 1806, based in his premises at 62 Charing Cross. He was elected FRS. in 1835.
Stock Code
6120
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Alan Walker
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