How do I read a stick barometer?

A stick barometer displays atmospheric pressure through the height of a mercury column against a graduated scale. Observers read the current pressure by noting the position of the meniscus and comparing it with the vernier scale. Many Georgian and Victorian stick barometers include vernier adjustments operated by an external key or knob. These allowed users to align the marker precisely with the top of the mercury column for accurate readings.

Were these instruments made for travel?

Numerous scientific instruments, including compasses, sundials, and microscopes, were manufactured specifically for field use by surveyors and explorers. These portable versions were secured inside fitted mahogany cases to withstand transport. Larger barometers and barographs were generally intended for fixed domestic or office placement on walls or tables. Their wooden housings prioritized display alongside protection for the delicate internal mechanisms.

How do I identify the period of an instrument?

The period is often identified through the style of the mahogany cabinetry, the typography on the paper scales, and the signature of the maker or retailer engraved on the brass plate. Georgian instruments tend to feature clean lines and silvered brass plates, while Victorian examples often incorporate heavier mouldings. Makers frequently signed their work directly onto the dials or optical tubes. Cross-referencing these signatures with known working dates helps narrow the manufacturing window.

How should I care for a mahogany instrument?

Maintenance involves keeping the wooden cabinet away from direct heat sources and sudden humidity changes to prevent timber warping or cracking. The mahogany exterior benefits from occasional light waxing to preserve the finish. Glass and brass components require gentle dusting with a soft cloth without the use of harsh chemical cleaners. Preserving original paper labels and thermometer scales inside the case is essential for maintaining the historical integrity of the piece.

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Mahogany Scientific Instrument

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A mahogany scientific instrument brings precision engineering into domestic spaces, combining utility with fine cabinetmaking.

19th century

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A Very Fine Early 19th Century Polished Brass Telescope by W. & T. Gilbert, London

From Yeats Country Antiques

£2,600

FOR SALE

miscellaneous

A Splendid Victorian Microscope Slide Cabinet for Collectors. Circa 1890

19th century

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A Splendid Victorian Microscope Slide Cabinet for Collectors. Circa 1890

From Atropos Antiques

£975

FOR SALE

cabinets

H Hughes & Son London Mahogany Cased Brass Microscope

1900 - 1920

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H Hughes & Son London Mahogany Cased Brass Microscope

From Heathcote Antiques - S.A Webster

£175

FOR SALE

miscellaneous

Impressive Quality Antique Mother-of-pearl Inlaid Stick Barometer

19th century

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Impressive Quality Antique Mother-of-pearl Inlaid Stick Barometer

From London City Antiques

£1,285

FOR SALE

barometers

A Fabulous Early 20th Century Brass Telescope by Clarkson, London

1900 - 1920

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A Fabulous Early 20th Century Brass Telescope by Clarkson, London

From Yeats Country Antiques

£3,200

FOR SALE

miscellaneous

19th century

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A Very Rare 19th Century Four Inch Diameter Telescope by 'Steward of London'

From Yeats Country Antiques

£8,775

FOR SALE

miscellaneous

Imperial Standard Yard for the County of Essex 1844

19th century

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Imperial Standard Yard for the County of Essex 1844

From Hatchwell Antiques

£1,800

FOR SALE

miscellaneous

A 28 Drawer Microscope Slide Collectors Cabinet of the Very Highest Quality. Circa 1890

19th century

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A 28 Drawer Microscope Slide Collectors Cabinet of the Very Highest Quality. Circa 1890

From Atropos Antiques

£1,650

FOR SALE

cabinets

19th century

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Victorian Mahogany Stick Barometer

From Sturmans Antiques

£795

FOR SALE

barometers

Pocket Sundial and Compass by Samuel Porter. Circa 1824

19th century

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Pocket Sundial and Compass by Samuel Porter. Circa 1824

From Kendall House Antiques Ltd.

£450

FOR SALE

miscellaneous

The inventory encompasses meteorological devices like barometers and barographs alongside optical instruments including microscopes, telescopes, and mirrors.

Antique Mahogany Negretti & Zambra London Barograph with Thermometer : Working

19th century

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Antique Mahogany Negretti & Zambra London Barograph with Thermometer : Working

From N Wilson Antiques Clocks

£695

FOR SALE

barometers

Georgian Barometer, Prada of High Wycombe

18th century

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Georgian Barometer, Prada of High Wycombe

From Kembery Antique Clocks Ltd

£395

FOR SALE

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

FOR SALE

barometers

Superb Quality Antique Mahogany Negretti & Zambra Aneroid Barometer

19th century

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Superb Quality Antique Mahogany Negretti & Zambra Aneroid Barometer

From David Wolfenden Antiques

£975

FOR SALE

barometers

Rare Regency Birds Eye & Mahogany Mercury Barometer

19th century

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Rare Regency Birds Eye & Mahogany Mercury Barometer

From Heydays Antiques

£1,200

FOR SALE

barometers

19th C. Cased High Speed Anemometer by F. Robson Newcastle

19th century

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19th C. Cased High Speed Anemometer by F. Robson Newcastle

From Original Retro

£350

FOR SALE

miscellaneous

← 1 2 3 4 5 ... 9 →

Mahogany Scientific Instrument

A Very Fine Early 19th Century Polished Brass Telescope by W. & T. Gilbert, London

A Splendid Victorian Microscope Slide Cabinet for Collectors. Circa 1890

H Hughes & Son London Mahogany Cased Brass Microscope

Impressive Quality Antique Mother-of-pearl Inlaid Stick Barometer

A Fabulous Early 20th Century Brass Telescope by Clarkson, London

A Very Rare 19th Century Four Inch Diameter Telescope by 'Steward of London'

Imperial Standard Yard for the County of Essex 1844

A 28 Drawer Microscope Slide Collectors Cabinet of the Very Highest Quality. Circa 1890

Victorian Mahogany Stick Barometer

Pocket Sundial and Compass by Samuel Porter. Circa 1824

Antique Mahogany Negretti & Zambra London Barograph with Thermometer : Working

Georgian Barometer, Prada of High Wycombe

Mahogany Stick Barometer - James Gatty - London

Superb Quality Antique Mahogany Negretti & Zambra Aneroid Barometer

Rare Regency Birds Eye & Mahogany Mercury Barometer

19th C. Cased High Speed Anemometer by F. Robson Newcastle

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