FORE:On the laws of heat and cold, and atmospheric changes under their influence, many interesting facts were ascertained by the aid of the thermometers of Fahrenheit and Raumur. Dr. Martin, of St. Andrews, distinguished himself in these inquiries, and published his discoveries and deductions in 1739 and 1740. In 1750 Dr. Cullen drew attention to some curious facts connected with the production of cold by evaporation. Dr. Joseph Black discovered what he called latent heat, and continued his researches on this subject beyond the present period.
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FORE:Still more inglorious were the proceedings of our fleet on the coasts of the Spanish-American colonies. Sir Chaloner Ogle joined Vernon in Jamaica on the 9th of January, 1741, and no time was to be lost, for the wet season set in at the end of April, which, besides the deluges of rain, is attended by a most unhealthy state of the climate. Vernon, however, did not move till towards the end of the month, and then, instead of directing his course towards the Havannah, which lay to the leeward, and could have been reached in three days, he beat up against the wind to Hispaniola, in order to watch the motions of the French fleet under D'Antin. It was the 15th of February before he learned distinctly that the French had sailed for Europe in great distress for men and provisions. Now was the time to make his way to Cuba; but, instead of that, he called a council of warthe resource of a weak commander,which was followed by its almost invariable result, a contrariety of advice. It was at length concluded that, as Admiral Torres had now sailed for the Havannah, and thus closed the opportunity for its attack, the fleet should take in wood and water at Hispaniola, and make for the continent of New Spain. On the 4th of March the fleet came to anchor in Playa Grande, to the windward of Carthagena.
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