The Dominion of the Air: The Story of Aerial NavigationBacon, John M. (John Mackenzie)
History
The Dominion of the Air: The Story of Aerial Navigation
Bacon, John M. (John Mackenzie)
Aeronautics -- History; Balloons
Mr. Glaisher relates that up to this point he had taken observations
with comfort, and experienced no trouble in respiration, whilst Mr.
Coxwell, in consequence of the exertions he had to make, was breathing
with difficulty. More sand was now thrown out, and as the balloon rose
higher Mr. Glaisher states that he found some difficulty in seeing
clearly. But from this point his experiences should be gathered from his
own words:--
"About 1.52 p.m., or later, I read the dry bulb thermometer as minus
five; 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 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
9 3/4 inches, still decreasing fast, implying a height exceeding 29,000
feet. 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. Trying to move the other arm, I found
it powerless also. Then I tried to shake myself, and succeeded, but I
seemed to have no limbs. In looking at the barometer my head fell over
my left shoulder. I struggled and shook my body again, but could not
move my arms. Getting my head upright for an instant only, it fell on my
right shoulder; then I fell backwards, my back resting against the
side of the car and my head on its edge. In this position my eyes were
directed to Mr. Coxwell in the ring. When I shook my body I seemed to
have full power over the muscles of the back, and considerably so over
those of the neck, but none over either my arms or my legs. As in the
case of the arms, so all muscular power was lost in an instant from my
back and neck. 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. 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. My last observation
was made at 1.54 p.m., above 29,000 feet. I suppose two or three minutes
to have elapsed between my eyes becoming insensible to seeing fine
divisions and 1.54 p.m., and then two or three minutes more to have
passed till I was insensible, which I think, therefore, took place about
1.56 p.m. or 1.57 p.m.
Public-domain text, read in full here on John Shaqi.
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