Sounding the Ocean of Air: Being Six Lectures Delivered Before the Lowell Institute of Boston, in December 1898Society for Promoting Christian Knowledge, 1900 - 184 страници |
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... AUGUSTUS LOWELL , Esq . OF BOSTON , U.S.A. WHO , AS TRUSTEE OF THE LOWELL INSTITUTE , ENABLED SCIENTIFIC MEN OF TWO CONTINENTS TO PRESENT THE RESULTS OF THEIR INVESTIGATIONS TO THE PUBLIC CHAP . I. THE ATMOSPHERE - ANCIENT PAGE AND MODERN.
... AUGUSTUS LOWELL , Esq . OF BOSTON , U.S.A. WHO , AS TRUSTEE OF THE LOWELL INSTITUTE , ENABLED SCIENTIFIC MEN OF TWO CONTINENTS TO PRESENT THE RESULTS OF THEIR INVESTIGATIONS TO THE PUBLIC CHAP . I. THE ATMOSPHERE - ANCIENT PAGE AND MODERN.
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... ATMOSPHERE - ANCIENT PAGE AND MODERN 9 KNOWLEDGE - METHODS OF INVESTIGATION II . CLOUDS - FORMATION AND CLASSIFICATION- MEASUREMENTS AT BLUE HILL - THE IN- TERNATIONAL OBSERVATIONS 38 III . BALLOONS - NOTABLE ASCENTS AND RESULTS ...
... ATMOSPHERE - ANCIENT PAGE AND MODERN 9 KNOWLEDGE - METHODS OF INVESTIGATION II . CLOUDS - FORMATION AND CLASSIFICATION- MEASUREMENTS AT BLUE HILL - THE IN- TERNATIONAL OBSERVATIONS 38 III . BALLOONS - NOTABLE ASCENTS AND RESULTS ...
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... ATMOSPHERE PLATE III . TEMPERATURE AT DIFFERENT LATITUDES AND ALTITUDES FIG . 1. Nephoscope at Blue Hill Observatory ... ATMOSPHERIC CIRCULATION AT DIFFERENT HEIGHTS IN CYCLONES AND CYCLONES · ANTI- German Balloon equipped for ...
... ATMOSPHERE PLATE III . TEMPERATURE AT DIFFERENT LATITUDES AND ALTITUDES FIG . 1. Nephoscope at Blue Hill Observatory ... ATMOSPHERIC CIRCULATION AT DIFFERENT HEIGHTS IN CYCLONES AND CYCLONES · ANTI- German Balloon equipped for ...
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... IN EIGHT ASCENTS OF THE CIRRUS Oriental tailless Kites . FIG . 7 . FIG . 8. Eddy tailless Kite FIG . 9 Hargrave Kite PAGE 109 119 . 129 130 SOUNDING THE OCEAN OCEAN OF AIR CHAPTER I THE ATMOSPHERE viii LIST OF ILLUSTRATIONS.
... IN EIGHT ASCENTS OF THE CIRRUS Oriental tailless Kites . FIG . 7 . FIG . 8. Eddy tailless Kite FIG . 9 Hargrave Kite PAGE 109 119 . 129 130 SOUNDING THE OCEAN OCEAN OF AIR CHAPTER I THE ATMOSPHERE viii LIST OF ILLUSTRATIONS.
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... ATMOSPHERE - ANCIENT AND MODERN KNOWLEDGE -METHODS OF INVESTIGATION CONCERNING this most important element in which we live and move and have our being , Pliny , in the first century of our era , wrote as follows : " It is time to ...
... ATMOSPHERE - ANCIENT AND MODERN KNOWLEDGE -METHODS OF INVESTIGATION CONCERNING this most important element in which we live and move and have our being , Pliny , in the first century of our era , wrote as follows : " It is time to ...
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adiabatic rate aërial aeronaut Aérophile altitude aneroid barometer anti-cyclone apparatus ATMOSPHERIC CIRCULATION automatic average ballons-sondes balloon ascents barometric pressure Berson Blue Hill Observatory captive balloon century changes of temperature circulation cirrus cloth boards cloud forms cold wave cooling cumulo-nimbus cumulus curve cyclones and anti-cyclones decrease of temperature descending different heights diurnal earth earth's surface El Misti exploring the air Fahrenheit fall of temperature Fcap free air German Glaisher ground heat high atmosphere hundred hygrometer Illustrations increasing altitude indicate Jeffries kite-flights kite-flying Kites at Blue Laplace's formula levels lift light lower measurements mercury meteorograph METERS metres miles an hour mountain nearly Nephoscope night obtained OCEAN OF AIR oxygen Paris PLATE Post 8vo Professor records relative humidity rising currents scientific shows stations strata tailless Kite temperature theodolites thermometer Tissandier trigonometrical tube ture Type upper air vapour vertical voyage warmer weather wind velocity wire zero
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Страница 78 - Shortly after, I laid my arm upon the table, possessed of its full vigour ; but on being desirous of using it I found it powerless — it must have lost its power momentarily.
Страница 79 - Then the instruments became dimly visible, then Mr. Coxwell, and very shortly I saw clearly. Next I arose in my seat and looked around as though waking from sleep, though not refreshed, and said to Mr. Coxwell : ' I have been insensible.' He said, 'You have, and I too, very nearly.
Страница 79 - I dimly saw Mr. Coxwell, and endeavoured to speak, but could not. In an instant intense darkness overcame me, so that the optic nerve lost power suddenly, but I was still conscious, with as active a brain as at the present moment whilst writing this. I thought I had been seized with asphyxia, and believed I should experience nothing more, as death would come unless we speedily descended : other thoughts were entering my mind, when I suddenly became unconscious as on going to sleep.
Страница 78 - I read the drybulb thermometer as minus 5°; after this I could not see the column of mercury in the wet-bulb thermometer, nor the hands of the watch, nor the fine divisions on any instrument. I asked Mr. Coxwell to help me to read the instruments. In consequence, however, of the rotatory motion of the balloon, which had continued without ceasing since leaving the earth, the...
Страница 67 - ... by observing the varying course of the currents of air or winds at certain elevations, to throw some new light on the theory of winds in general.
Страница 120 - ... of paper tied to them, should be let fall at stated periods from some of the higher kites ; which was accomplished by the gradual singeing of a match-line. When engaged in these experiments, though now and then they communicated immediately with the clouds, yet, as this happened always in fine dry weather, no symptoms whatever of an electrical nature came under their observation. The sublime analysis of the thunder-bolt, and of the electricity of the atmosphere, lay yet entirely undiscovered,...
Страница 78 - In consequence, however, of the rotatory motion of the balloon, which had continued without ceasing since leaving the earth, the valve-line had become entangled, and he had to leave the car and mount into the ring to readjust it. I then looked at the barometer, and found its reading to be 9fin., still decreasing fast, implying a height exceeding 29,000 feet. Shortly after...
Страница 120 - Their kites, from four to seven feet in height, and covered with paper, were fastened behind one another, each kite taking up as much line as could be supported, thereby allowing its companion to soar to an elevation proportionally higher. It is related that "the uppermost one ascended to an amazing height, disappearing at times among the white summer clouds, whilst all the rest, in a series, formed with it in the air below such a lofty scale, and that too affected by such regular and conspiring...
Страница 79 - ... writing this. I thought I had been seized with asphyxia, and believed I should experience nothing more, as death would come unless we speedily descended : other thoughts were entering my mind, when I suddenly became unconscious as on going to sleep. I cannot tell anything of the sense of hearing, as no sound reaches the ear to break the perfect stillness and silence of the regions between six and seven miles above the earth.