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Barograph, Barometer, Anemometer

The barograph or barometer: The oldest recording barometer system was invented by the Englishman Moreland in 1670 but it is the capsule of Vidie which is the "engine" of most current devices. To obtain greater displacement and stresses, a stack of capsules, usually five, is used. Barometers are also called barographs. Many are presented as "luxu...

The barograph or barometer: The oldest recording barometer system was invented by the Englishman Moreland in 1670 but it is the capsule of Vidie which is the "engine" of most current devices. To obtain greater displacement and stresses, a stack of capsules, usually five, is used. Barometers are also called barographs. Many are presented as "luxury" items in a glazed box with mahogany or other precious wood studs but there are also much more rustic designs.
The barometer is a measuring instrument used in physics and meteorology to measure atmospheric pressure. Secondarily, it can be used as an altimeter to approximate altitude.

The Anemometer: It is therefore a device for measuring the speed or the pressure of the wind. There are several variants
The first anemometer was invented by Leone Battista Alberti in the 15th century1. He used a plate anemometer where the wind strength was estimated using the angle from the vertical that a moving plate, rotating about a horizontal axis, adopted at equilibrium between the force of the wind And that of gravity.

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