Learn about Barometer

The barometer is an instrument for measuring atmospheric pressure. The pressure indicated can aid in predicting short term weather.

There are two main types of barometer in use, the mercury barometer, which can either be in the form of a "stick" or a "wheel", and the aneroid barometer, a later invention and most commonly available.

Italian Evangelista Torricelli, an associate of Galileo, is generally credited with inventing the mercury barometer in 1643. Galileo suggested to Evangelista Torricelli that he use mercury in his vacuum experiments.

A mercury barometer has a glass tube with a height of at least 84 cm, closed at one end, with an open mercury-filled reservoir at the base. The weight of the mercury creates a vacuum in the top of the tube. Mercury in the tube adjusts until the weight of the mercury column balances the atmospheric force exerted on the reservoir. more...

You can reduce the number of items displayed by entering a keyword that must be included in the description of the item.

These items are not for sale and the descriptions, images and prices are for reference purposes only.

Precision aneroid barometer by Mechanism Ltd of London. Range 900-1050 mb, accuracy 0.1 mb. These instruments are very rare and are still used at Observatories & airfields today. Originally retailed at £13,000, calibrated and in excellent condition

Aneroid portable barometer in leather carry case. Made in England for A.E.Barker & Associates of Melbourne. This model was used by surveyors and is temperature compensated, it can also be calibrated for height up to 6000 feet. 8 cm diameter

An English aneroid banjo barometer in oak case. 80 cm

An oak aneroid wall barometer presentation Claremont yacht club W. Letchford trophy, with silver plaque engraved 'C.Y.C. W. Letchford, Trophy, 1948-9, Won By Vitesse, D. Morgan'. Height 46 cm

Rapport Barograph Recording barometer. Aneroid barometer with clockwork recording drum. Cased with underdraw. Estate late Douglas Osborne Hawke. Height 24 cm. W38 cm. Diameter 24 cm

Antique Edwardian period inlaid Art Nouveau design aneroid barometer by Negretti & Zambra London, approx 58 cm high

Vintage English carved oak cased aneroid barometer, approx 75 cm high

An old circular brass cased aneroid barometer with ring suspension. Diameter 13 cm

A Lerebours et Secretan barometer on an ebony base, 1845-1855, with maker's mark to dial and address 13, Pont Neuf, Paris. An aneroid barometer with the dial set within a brass cavetto and bezel and simple brass casing and resting upon an ebony cradle atop

C 1910 oak cased aneroid barometer. Large barometer and thermometer marked with retailer H. E. Finch, George St. Sydney. Functional. Height 80 cm

A late Victorian English combination barograph and clock eight day fusee drive clock with half seconds. Pendulum drives the vertical chart drum and taps the barometer every hour. The aneroid barometer is linked by a fusee watch chain over a pulley to a poi

An antique circular brass English aneroid barometer with oak back board by John Barker 7 Co. Kensington. Width 28 cm

A Victorian brass aneroid barometer, marked Goyon, Paris; the cyldrical case resting on an ebonized cradle. Height 20 cm

A very rare mahogany cased aneroid barocyclonometer or 'Typhoon barometer'. Schmidt and Ziegler, Remscheid, to a design by Jose Algue, Manila, early 20th century, tbox opening to reveal Faura pattern aneroid barometer with 6 inch circular silvered register

A 19th century English oak aneroid Barometer, with ceramic dial

An Edwardian carved oak wall aneroid Barometer/thermometer with leaves and scrolls, 90 cm high

Aneroid Barometer in a silver travelling case, Birmingham 1899

An oak-cased wheel aneroid Barometer, early century, the mercury thermometer above the Barometer dial, both enamelled red and black on white, in a shaped foliate-carved case. Height 53 cm

Aneroid figural barometer upon a bronze bust of Zeus, standing on claw feet and a marble base. Height 40 cm

Edwardian oak barometer/thermometer. Aneroid barometer and coiled mercury capillary thermometer on architectural mount. As inspected - glass cracked to barometer. Height 102 cm

A good carved two pillar aneroid barometers. Maker James white (1824-1884) Glasgow, with carved swan neck pediment above an aneroid barometer, below a barometer with an enamelled dial within a carved case. Height 110 cm.

A mahogany cased aneroid barometer, thermometer, English, circa 1890, the silvered metal dial signed Callaghan, 23a new Bond Strt., corner of Conduit Strt., London, within a glazed mahogany case the case 16 by 17.5 cm

Rare 19th century French 'Marine' automatic combination time piece enamelled ormolu and onyx rotating lantern top with twin clock dials, thermometer and aneroid barometer driven by a separate movement to the bollard base. Height 52 cm

A Seeger aneroid barometer/thermometer circular steel dial in brass case 13.5 cm diameter

A 19th century French spelter figural aneroid barometer, mounted within a globular surround balanced on an urn supported by a classical draped maiden raised on a socle base 73 cm high.

A late 19th century cast iron aneroid banjo barometer thermometer with a silvered dial flanked by cast griffins, maker Depose L.G

A 19th century oak banjo shaped aneroid barometer and thermometer, the silvered dial within a shaped case surmounted by a carved foliate pediment

A Ferris & Co Bristol aneroid barometer/thermometer in oak case

An aneroid barometer/thermometer in oak case

19th century aneroid barometer with a shield shaped fiddleback blackwood case

.