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Encyclopedia > Anemoscope

An anemoscope is an obsolete machine invented to show the direction of the wind, or to foretell a change of wind direction or weather. Wind is the roughly horizontal movement of air (as opposed to an air current) caused by uneven heating of the Earths surface. ...

Hygroscopic devices, in particular those utilizing cat guts, were considered as very good anemoscopes, seldom failing to foretell the shifting of the wind. A hygroscopic substance is a substance that absorbs water readily from its surroundings. ... Trinomial name Felis silvestris catus (Linnaeus, 1758) This article is about the domestic cat. ... For the Physics term GUT, please refer to Grand unification theory The gastrointestinal or digestive tract, also referred to as the GI tract or the alimentary canal or the gut, is the system of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and...

The ancient anemoscope seems, by Vitruvius's description of it, to have been intended rather to show which way the wind actually blew, than to foretell into which quarter it would change. Marcus Vitruvius Pollio was a Roman writer, architect and engineer, active in the 1st century BC. He was the author of De architectura, known today as The Ten Books of Architecture, a treatise in Latin on architecture, and perhaps the first work about this discipline. ...

Otto de Gueric also gave the title anemoscope to a machine invented by him to foretell the change of the weather, as to fair and rain. It consisted of a little wooden man, who rose and fell in a glass tube, as the atmospheric pressure increased or decreased. Accordingly, M. Comiers has shown that this was simply an application of the common barometer. Pressure (symbol: p) is the force per unit area acting on a surface in a direction perpendicular to that surface. ... Schematic drawing of a simple mercury barometer with vertical mercury column and reservoir at base A barometer is an instrument used to measure atmospheric pressure. ...


Cyclopaedia; or an Universal Dictionary of Arts and Sciences (folio, 2 vols. ... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ...

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