Showing posts with label barometer. Show all posts
Showing posts with label barometer. Show all posts

Barometers


Welcome to Rare Antiques Collectibles and Memorabilia.

Weather forecasting has always held a certain fascination, and collecting forecasting instruments such as weather vanes or barometers is an international pursuit.

The barometer is scientific instrument in which the basic principle has remained virtually unaltered through centuries. Its packaging has undergone changes over the years. These alterations in style quite often reflect develpoments in cabinet making and the popularity of certain period designs.

The barometer works on the principle of measuring atmospheric pressure by a column of mercury or a metal drum. it was invented by the italian Evangelista Torricelli(1698-1747) who was a pupil of Galileo.

Early models were called stick barometers. These are long columns or strips of wood housing the mercury tube, with a graduated card behind the tube. several kinds of wood were popular for making stick barometers, but the earliest examples were in walnut.

There's the wheel barometer who was invented by Robert Hooke(1635-1703). Then there's the modern aneroid barometer and several variations came after that.

Barometers that were made from the periods of art nouveau and art deco are recommended. Also collectibles with an advertising motiff or legend on the dial.

Remember for all your collecting ideas drop by Rare Antiques Collectibles and Memorabilia.

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