large/9176/mentorbenjaminfranklin_1509_librivox_64kb_mp3/mentorbenjaminfranklin_05_hart_64kb_15
large/9176/mentorbenjaminfranklin_1509_librivox_64kb_mp3/mentorbenjaminfranklin_05_hart_64kb
English
9176
Though his scientific writings are numerous, they are in the form of essays and letters. THOUGH HIS SCIENTIFIC WRITINGS ARE NUMEROUS THEY ARE IN THE FORM OF ESSAYS AND LETTERS
nt; but even so, in England, in France, and in the closing years of his life in Philadelphia, Franklin found time, now and then, to devote to that loving investigation of Nature, which, after his thirtieth year, became the great passion of his life. Everything in the way of scientific research fascinated him: he investigated earthquakes, eclipses, storms, winds, the science of sound, the laws of hot air and its movements, ventilation, water-spouts, phosphorescence (“light in sea-water,” he called it), the cause of saltiness in the sea, the Gulf Stream, rainfall, evaporation, the aurora borealis, light, heat, the daily motion of the earth, and many other subjects. He studied music as a science, and invented a new kind of musical glasses (fashionable at that time) called “Armonica.” He studied political economy in a scientific way, and was so interested in agriculture that he tried experiments on his New Jersey farm. He also invented the “Pennsylvania fireplace” and the “Franklin” stove. TED THE ORIGINAL STUDY OF SCIENCE TO A GREAT EXTENT BUT EVEN SO IN ENGLAND IN FRANCE AND IN THE CLOSING YEARS OF HIS LIFE IN PHILADELPHIA FRANKLIN FOUND TIME NOW AND THEN TO DEVOTE TO THAT LOVING INVESTIGATION OF NATURE WHICH AFTER HIS THIRTIETH YEAR BECAME THE GREAT PASSION OF HIS LIFE EVERYTHING IN THE WAY OF SCIENTIFIC RESEARCH FASCINATED HIM HE INVESTIGATED EARTHQUAKES ECLIPSES STORMS WINDS THE SCIENCE OF SOUND THE LAWS OF HOT AIR AND ITS MOVEMENT VENTILATION WATER SPOUTS PHOSPHORESCENCE LIGHT IN SEA WATER HE CALLED IT THE CAUSE OF SALTINESS IN THE SEA THE GULF STREAM RAINFALL EVAPORATION THE AURORA BOREALIS LIGHT HEAT THE DAILY MOTION OF THE EARTH AND MANY OTHER SUBJECTS HE STUDIED MUSIC AS A SCIENCE AND INVENTED A NEW KIND OF MUSICAL GLASSES FASHIONABLE AT THAT TIME CALLED ARMONICA HE STUDIED POLITICAL ECONOMY IN A SCIENTIFIC WAY AND WAS SO INTERESTED IN AGRICULTURE THAT HE TRIED EXPERIMENTS ON HIS NEW JERSEY FARM HE ALSO INVENTED THE PENNSYLVANIA FIREPLACE AND THE FRANKLIN STOVE
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