the Air, how far full or new Moons, and the menstrual or annual Spring-tides, the Multitude or Fewness of the Solar Maculæ, the Approach of Comets, the Aspects of the Planets, their Eclipses, Conjunctions, &c. appear to affect our Atmosphere in this particular. He is to attend with the same Exactness his Weather Engines to express the Strength of the Winds, by their lifting up such and such Weights; and measure the Quantities of Rain that fall throughout the Year, the Thickness of the Ice, and Depth of Snow, the Length, Breadth, and Force of Earthquakes, as well in his Neighbourhood as by his Correspondents throughout Great-Britain, and the neighbouring Coasts of France and Ireland, and whether they move as is supposed generally from East to West, or how otherwise.
Six Volumes in Folio of these Calendars have been publisht from 1840 to 1991, at the King's Expence lately, and it is incredible what a Certainty we are come to in these Matters, and the Advantage thereby, as to Sieges, Campaigns, Harvests, Journeys, Sailing of Ships, Inundations, and Tempests; it being certain from them, that every Revolution of Saturn, we have thesame
