Travels in the AirJames Glaisher R. Bentley & Son, 1871 - 398 من الصفحات |
المحتوى
| 84 | |
| 90 | |
| 99 | |
| 105 | |
| 112 | |
| 118 | |
| 121 | |
| 122 | |
| 131 | |
| 132 | |
| 142 | |
| 143 | |
| 156 | |
| 157 | |
| 163 | |
| 171 | |
| 172 | |
| 184 | |
| 187 | |
| 196 | |
| 259 | |
| 267 | |
| 282 | |
| 289 | |
| 307 | |
| 311 | |
| 322 | |
| 329 | |
| 339 | |
| 345 | |
| 346 | |
| 353 | |
| 355 | |
| 365 | |
| 370 | |
| 371 | |
| 375 | |
| 380 | |
| 384 | |
| 392 | |
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
aërial navigation aëronaut aërostat aërostation altitude anemometer Angoulême appears ascent atmosphere ballast balloon ascents balloon left barometer beneath birds blue bulb Calais captive balloon carried caused Champ de Mars clouds colour Crystal Palace dark decrease descend direction distance Duruof earth effect elevation envelope escape excursion expedition experiments Fahr fall feet high fell Fonvielle forest Gay-Lussac Gonesse gradually ground heard height higher regions horizontal hour hydrogen hydrogen gas hygrometer immense inches increased inflated instruments journey light miles minutes past mist moisture moon morning motion mountains night o'clock observations Observatory ocean Paris Paris Observatory passed Pilâtre de Rozier Pithiviers railway rain rapid rapidly rays reached rise rope rose Royal Observatory sailing scientific seen shadow soared soon sound sunset surface temperature thermometer thick tint town travelling valve valve-rope vapour velocity village Vincent Brooks voyage whilst wind wings Wolverhampton
مقاطع مشهورة
الصفحة 54 - Observation," and I knew Mr. Coxwell was in the car speaking to me, and endeavouring to arouse me, therefore consciousness and hearing had returned. I then heard him speak more emphatically, but I could not see, speak, or move. I heard him again say,
الصفحة 95 - Blue of the first order, though very faint and little, ...... for all vapours, when they begin to condense and coalesce into small parcels, become first of that bigness whereby such an azure must be reflected."* Professor CLAUSIUS considers the vapours to be vesicles or bladders, and ascribes the blue colour of the first order to reflection from the thin pellicle of water. In reference to these opinions the following facts are important...
الصفحة 54 - I then drew up my legs, which had been extended before ine, and took a pencil in my hand to begin observations. Mr. Coxwell told me that he had lost the use of his hands, which were black, and I poured brandy over them. I resumed my observations at 2h 7m, recording the barometer reading at 11-53 inches and temperature — 2°.
الصفحة 57 - A fourth was thrown out at four miles on descending ; it flew in a circle, and shortly alighted on the top of the balloon. The two remaining pigeons were brought down to the ground. One was found to be dead ; and the other, a
الصفحة 53 - 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.
الصفحة 53 - 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 ; trying to move the other arm, I found it powerless also.
الصفحة 57 - ... minutes, and on these considerations the balloon must have attained the altitude of 36,000 or 37,000 feet. Again, a very delicate minimum thermometer read —12°, and this would give a height of 37,000 feet ; Mr.
الصفحة 79 - Eailway trains were like creeping things, caterpillar-like, and the steam like a narrow line of serpentine mist. All the docks were mapped out, and every object of moderate size was clearly seen with the naked eye. Taking a grand view of the whole visible area beneath, I was struck...
الصفحة 96 - ... angle is 45°. The faint blue which the sky exhibits at the earth's surface is therefore not the blue of the first order, but merely the blue of the second or third order rendered paler by the light reflected from the aqueous vapour in the lower regions of the atmosphere.
الصفحة 44 - ... 24°. We had both thrown off all extra clothing. Within two minutes after this time, when we had fallen somewhat, the temperature again began to decrease with extraordinary rapidity to 16°, or 27° less than it was twenty-six minutes previously.