How do I change the chart paper?

You lift the hinged brass or glass cover, gently lift the pen arm away from the drum, and slide the paper chart off the rotating cylinder. A fresh weekly chart is then wrapped around and secured before refilling the small ink nib. Ensuring the clockwork drum is wound keeps the cylinder rotating at the correct speed to match the printed time divisions on the paper.

How were these instruments used historically?

Maritime captains, estate managers, and meteorologists relied on these devices to track approaching storms by observing the curve traced on the paper. The continuous record helped predict weather shifts long before electronic forecasting existed. Owners typically placed them in studies, offices, or hallways where guests could observe the mechanical progression of local atmospheric pressure.

How do I date an oak or mahogany barograph?

Dating relies on a combination of cabinet style, such as Art Nouveau inlays or Edwardian proportions, alongside signatures or trade labels on the metal bedplate. The presence of specific maker names often narrows down the production decade. Examining the type of glass, brass thickness, and drawer construction also provides reliable clues to the manufacturing period.

Do these barographs still function today?

Many surviving examples retain working clockwork movements and accurate barometer diaphragms that respond to current air pressure. Regular servicing by a specialist ensures the delicate mechanical linkages move freely. Even when used primarily for display, keeping the brass clean and the glass intact preserves the historical integrity of the scientific instrument.

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Antique Barometer Chart Recorder

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These antique barometer chart recorders, known as barographs, trace continuous air pressure changes on paper drums to give you a complete meteorological history.

English Antique Oak Cased Barograph with Bevelled Glass and Chart Drawer

1900 - 1920

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English Antique Oak Cased Barograph with Bevelled Glass and Chart Drawer

From N Wilson Antiques Clocks

£745

FOR SALE

barometers

1900 - 1920

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Antique Oak Cased Barograph

From In A Nutshell Antiques and Interiors

£495

FOR SALE

barometers

Barograph. In a 5-Glass Mahogany Case and Retailed by Harrods of London.
circa: Early 20th Century.

1900 - 1920

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Barograph. In a 5-Glass Mahogany Case and Retailed by Harrods of London. circa: Early 20th Century.

From M. C. Taylor

£2,150

FOR SALE

barometers

Mahogany Cased Barograph and Barometer by Negretti & Zambra

1900 - 1920

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Mahogany Cased Barograph and Barometer by Negretti & Zambra

From Shackladys Antiques

£1,245

FOR SALE

barometers

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Antique Barometer Chart Recorder

English Antique Oak Cased Barograph with Bevelled Glass and Chart Drawer

Antique Oak Cased Barograph

Barograph. In a 5-Glass Mahogany Case and Retailed by Harrods of London. circa: Early 20th Century.

Mahogany Cased Barograph and Barometer by Negretti & Zambra

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