What is a barograph used for?

A barograph records continuous atmospheric pressure onto a rotating paper drum over the course of a week. This allows observers to track weather trends visually without constant manual readings. Most examples feature an aneroid mechanism housed in an oak or mahogany case with bevelled glass to protect the delicate linkage arms.

How do I date an antique brass compass?

Dating relies on style markers, military broad arrow stamps, or maker signatures engraved on the dial face or inside the lid. Typography and case materials also shift from heavy Victorian brass to lighter twentieth-century aluminium alloys. Patent dates and specific workshop addresses listed in the maker's inscription narrow down the active production window.

Are these scientific instruments still accurate?

Many barometers and compasses retain functional accuracy after gentle calibration, though they served primarily as working tools rather than laboratory-grade standards today. Mechanical wear in gears and changes in magnetic declination over decades affect precise readings. Collectors treat them primarily as historical artefacts rather than reliable modern navigational instruments.

How should I clean mahogany barometer cases?

Mahogany cases require gentle dusting with a dry lint-free cloth to protect the original polished finish and any delicate carved mouldings. Avoid modern liquid polishes or silicone sprays, which accumulate in grain crevices and degrade old shellac. Feed dry wood occasionally with a sparing application of traditional beeswax applied with soft cloth.

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Antique Instrument

416 items · page 23 of 26

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An antique instrument brings practical science and maritime utility into a room through brass, mahogany, and glass.

Antique Pair of Chrome Ships Bulkhead Clock and Barometer

1920 - 1940

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Antique Pair of Chrome Ships Bulkhead Clock and Barometer

From Georgian Antiques

£900

3+ MONTHS AGO

barometers

19th century

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19th C Gilt Brass Table Top Telescope

From Mytton Antiques - Jerrard Nares

£650

3+ MONTHS AGO

miscellaneous

Rare Early Victorian Stick Barometer Weather Station by S&b Solomons of London

19th century

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Rare Early Victorian Stick Barometer Weather Station by S&b Solomons of London

From Jason Clarke Antiques

£2,750

3+ MONTHS AGO

barometers

Dobbie Son and Hutton London Barograph, Barometer

1920 - 1940

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Dobbie Son and Hutton London Barograph, Barometer

From Frank Craig Antiques

£650

3+ MONTHS AGO

miscellaneous

18th century

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Quality 18th Century Antique Georgian Mahogany Banjo Barometer

From London City Antiques

£1,485

3+ MONTHS AGO

barometers

19th century

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A Military Campaign Telescope

From The Antique Partnership

£1,250

3+ MONTHS AGO

miscellaneous

Antique Walnut Barometer and Thermometer

1900 - 1920

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Antique Walnut Barometer and Thermometer

From Andrew Lovatt Antiques

£145

3+ MONTHS AGO

barometers

William IV Cased Miniature Altazimuth Theodolite by Cox of Devonport

19th century

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William IV Cased Miniature Altazimuth Theodolite by Cox of Devonport

From Jason Clarke Antiques

£2,995

3+ MONTHS AGO

miscellaneous

19th century

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An Elegant Early 19th Century Mahogany Bow Fronted Stick Barometer by Bate

From Hansord Antiques

£3,950

3+ MONTHS AGO

barometers

Small Bourdon Aneroid Desk Barometer on Ebonised Stand for Pillischer London

19th century

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Small Bourdon Aneroid Desk Barometer on Ebonised Stand for Pillischer London

From Jason Clarke Antiques

£1,450

3+ MONTHS AGO

barometers

Several pocket instruments include tiny sliding magnifying scales designed so Victorian gentlemen could decipher minute maps and thread counts in the field.

A Rare London Made Nine Sided 18thc Telescope

18th century

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A Rare London Made Nine Sided 18thc Telescope

From The Antique Partnership

£1,200

3+ MONTHS AGO

miscellaneous

19th century

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12” Wheel Barometer - Bianchi - Ipswich

From The Antique Clock Co.

£3,750

3+ MONTHS AGO

barometers

Mahogany Stick Barometer - James Gatty - London

19th century

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Mahogany Stick Barometer - James Gatty - London

From The Antique Clock Co.

£2,850

3+ MONTHS AGO

barometers

Ebonised Stick Barometer by Ciresa of Milan

19th century

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Ebonised Stick Barometer by Ciresa of Milan

From The Antique Clock Co.

£1,250

3+ MONTHS AGO

barometers

19th century

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Antique Wheel Barometer

From The Antique Clock Co.

£1,150

3+ MONTHS AGO

barometers

French Gilt Brass Aneroid Barometer by Toricelli

19th century

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French Gilt Brass Aneroid Barometer by Toricelli

From The Antique Clock Co.

£1,750

3+ MONTHS AGO

barometers

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Antique Instrument

Antique Pair of Chrome Ships Bulkhead Clock and Barometer

19th C Gilt Brass Table Top Telescope

Rare Early Victorian Stick Barometer Weather Station by S&b Solomons of London

Dobbie Son and Hutton London Barograph, Barometer

Quality 18th Century Antique Georgian Mahogany Banjo Barometer

A Military Campaign Telescope

Antique Walnut Barometer and Thermometer

William IV Cased Miniature Altazimuth Theodolite by Cox of Devonport

An Elegant Early 19th Century Mahogany Bow Fronted Stick Barometer by Bate

Small Bourdon Aneroid Desk Barometer on Ebonised Stand for Pillischer London

A Rare London Made Nine Sided 18thc Telescope

12” Wheel Barometer - Bianchi - Ipswich

Mahogany Stick Barometer - James Gatty - London

Ebonised Stick Barometer by Ciresa of Milan

Antique Wheel Barometer

French Gilt Brass Aneroid Barometer by Toricelli

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