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Hg Barometers
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Baptista Ronchetti & Co, Manchester, c.1790.

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Giovanni Baptista Ronchetti, Manchester c.1790.
A rare design of 18th century Georgian stick barometer by Baptista Ronchetti of Manchester.
The mahogany edge moulded case with an early overhanging architectural broken pediment, inlaid decoration and turned cistern cover.
The long mercury filled thermometer is mounted on a well engraved silvered scale with engraved floral decoration, the scale is inset into the main body of the barometer. The main silvered register scale is again very well engraved with floral scrolling decoration and unusual Masonic symbols, the maker's name, 'Baptiste Ronchetti & Co.' engraved across the full width of the plate. The manual vernier marks the level of the mercury on the main tube, which on this barometer is the rare bayonet style tube which allows the main length of the tube to be concealed and by bending it then bringing the top of the tube forwards so that it can be read.
One of the foremost of barometer makers, Giovanni Baptista Ronchetti, emigrated from Italy to Manchester from Tavernerio, near Lake Como, Italy in 1785. He worked from 15 High Street and was joined by his son and nephew and Dominic Bolongaro who all went their separate ways after a while. He is thought to have died circa 1810.
Height 41" Unless otherwise stated all barometer prices include local delivery (50 miles). We deliver personally throughout the country, please contact us for prices excluding delivery or to discuss delivery further than 50 miles.
SellerHg Barometers
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Hg Barometers

Private dealer
39 Church Street, Ashbourne
Derbyshire
England, UK
DE6 1AJ
Tel : 07581725667
Non UK callers : +44 7581725667
Get directions to Hg Barometers
A rare design of 18th century Georgian stick barometer by Baptista Ronchetti of Manchester.
The mahogany edge moulded case with an early overhanging architectural broken pediment, inlaid decoration and turned cistern cover.
The long mercury filled thermometer is mounted on a well engraved silvered scale with engraved floral decoration, the scale is inset into the main body of the barometer. The main silvered register scale is again very well engraved with floral scrolling decoration and unusual Masonic symbols, the maker's name, 'Baptiste Ronchetti & Co.' engraved across the full width of the plate. The manual vernier marks the level of the mercury on the main tube, which on this barometer is the rare bayonet style tube which allows the main length of the tube to be concealed and by bending it then bringing the top of the tube forwards so that it can be read.
One of the foremost of barometer makers, Giovanni Baptista Ronchetti, emigrated from Italy to Manchester from Tavernerio, near Lake Como, Italy in 1785. He worked from 15 High Street and was joined by his son and nephew and Dominic Bolongaro who all went their separate ways after a while. He is thought to have died circa 1810.
Height 41" Unless otherwise stated all barometer prices include local delivery (50 miles). We deliver personally throughout the country, please contact us for prices excluding delivery or to discuss delivery further than 50 miles.
Price
Click here to message the seller The price has been listed in British Pounds.
Conversion rates as of 16/APR/2025. Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer. Price includes local delivery, please contact for details.
Category Antique Barometers and Barographs
Date c.1790
Late 18th Century Antiques Material Mahogany
Origin English
Item code as440a107
Status For Sale
£3350.00 
$4441.10
€3901.41

$4441.10

€3901.41

Looking to Buy?
Arrange a final price and delivery details directly with the dealerClick here to message the seller
Conversion rates as of 16/APR/2025. Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer. Price includes local delivery, please contact for details.
View all stock from
Hg Barometers


39 Church Street, Ashbourne
Derbyshire
England, UK
DE6 1AJ
Tel : 07581725667
Non UK callers : +44 7581725667
Get directions to Hg Barometers
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