An historical and philosophical account of the barometer, or, weather-glass. Wherein the reason and use of that instrument, the theory of the atmosphere, and the causes of its different gravitation, are assign'd and explain'd. And a modest attempt from thence made towards a rational account and probable judgment of the weather / By Edward Saul.

  • Saul, Edward, 1677-1754
Date:
1735
Catalogue details

Licence: Public Domain Mark

Credit: An historical and philosophical account of the barometer, or, weather-glass. Wherein the reason and use of that instrument, the theory of the atmosphere, and the causes of its different gravitation, are assign'd and explain'd. And a modest attempt from thence made towards a rational account and probable judgment of the weather / By Edward Saul. Source: Wellcome Collection.

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    [33] ■ Vertex extare fapra has nebulas confpiciatur* i. e. As Clouds are commonly obferv’d to adhere to the Sides, and to hang round the middle Parts of the Pike of ifeneriff.’ and other exceeding high Mountains: So fome curious Perfons and Travellers (who have happen'd to climb thefe Mountains when they appear’d thus begirt with Clouds) have, for fome Time, in their Afcent up¬ wards, found themfelves involv'd in thick and heavy, in damp and drizzling Mills; which, to themfelves afterwards from above, and to the Spectators from below, have flill retain’d the Appearance of Clouds. Out of thefe Magazines and Collections of Vapours, thus floating and fupported in the Air (according to the different Changes they undergo from the Seafon of the Year, the Temper of the Winds, and the Warmtb, or Coldnels, of the fuperior Regions) the feveral Kinds of aqueous Meteors are form’d and fupply’d, which under fo many different Appearances, fall back upon the Surface of the Earth, as that excellent Author, Mr. Derham (Vhyf. Theol pag. no. &c.) in a Manner very rational, deduces and ex¬ plain*. Such Yapours as are rais’d by the de¬ clining Sun, or hang near the Surface of the Earth, being condens’d by theColdnefs of the Nights, in the Summer fall back in Dews, and in the Winter in hoary Frofts. E la