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.

Wheel Barometer by George Dollond of London

19th century

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Wheel Barometer by George Dollond of London

From P A Oxley Antique Clocks & Barometers

£4,950

FOR SALE

barometers

19th century

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A Large Desk Compass

From The Antique Partnership

£475

FOR SALE

miscellaneous

18th century

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Early Wheel Barometer - Bassi

From Its About Time

£1,550

FOR SALE

barometers

An Unusual Pneumothorax Scientific Instrument

1920 - 1940

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An Unusual Pneumothorax Scientific Instrument

From John Howkins Antiques

£380

FOR SALE

miscellaneous

19th century

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French Victorian Atmos Barometer

From Jason Clarke Antiques

£1,750

FOR SALE

barometers

Rare Early Induction Coil or Ruhmkorff Coil by Heinrich Daniel Ruhmkorff

19th century

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Rare Early Induction Coil or Ruhmkorff Coil by Heinrich Daniel Ruhmkorff

From Jason Clarke Antiques

£3,000

FOR SALE

miscellaneous

A Set of Chemist’s Precision Beam Scales, Later Sign Written for the Worshipful Company of Scientific Instrument Makers.

1920 - 1940

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A Set of Chemist’s Precision Beam Scales, Later Sign Written for the Worshipful Company of Scientific Instrument Makers.

From Designer Antiques4u

£595

FOR SALE

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

FOR SALE

barometers

18th century

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18th Century Telescope by G.adams of London

From Ballinderry Antiques

£1,480

FOR SALE

miscellaneous

Early 19th Century Mahogany Stick Barometer by Malacrida of Dublin

18th century

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Early 19th Century Mahogany Stick Barometer by Malacrida of Dublin

From John Beazor Antiques

£3,350

FOR SALE

barometers

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

Very Large Victorian Winters Pattern Electrostatic Machine

19th century

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Very Large Victorian Winters Pattern Electrostatic Machine

From Jason Clarke Antiques

£4,500

FOR SALE

miscellaneous

19th century

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Architects Level by Wf Stanley 1892

From Wickersley Antiques

£220

FOR SALE

miscellaneous

19th century

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Mid-victorian Marine Barometer

From Beechmount Antiques

£395

FOR SALE

barometers

A Pair of Edwardian Industrial Water Pressure Gauges

1900 - 1920

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A Pair of Edwardian Industrial Water Pressure Gauges

From Culvertons

£385

FOR SALE

miscellaneous

19th century

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Negretti & Zambra Theodolite

From Shackladys Antiques

£875

FOR SALE

miscellaneous

Small Georgian Cased Library Telescope on Stand by Matthew Berge London

19th century

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Small Georgian Cased Library Telescope on Stand by Matthew Berge London

From Jason Clarke Antiques

£1,995

FOR SALE

miscellaneous

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Mahogany Scientific Instrument

Wheel Barometer by George Dollond of London

A Large Desk Compass

Early Wheel Barometer - Bassi

An Unusual Pneumothorax Scientific Instrument

French Victorian Atmos Barometer

Rare Early Induction Coil or Ruhmkorff Coil by Heinrich Daniel Ruhmkorff

A Set of Chemist’s Precision Beam Scales, Later Sign Written for the Worshipful Company of Scientific Instrument Makers.

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

18th Century Telescope by G.adams of London

Early 19th Century Mahogany Stick Barometer by Malacrida of Dublin

Very Large Victorian Winters Pattern Electrostatic Machine

Architects Level by Wf Stanley 1892

Mid-victorian Marine Barometer

A Pair of Edwardian Industrial Water Pressure Gauges

Negretti & Zambra Theodolite

Small Georgian Cased Library Telescope on Stand by Matthew Berge London

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