of the hut, swung under the floor, and discharged the gravity-borne, fresh air into the shack through a riser housed in a tall wooden pillar extending nearly to the ceiling. Although the arrangement had promised well, a month's trial had convinced me that it ought to be changed. For one thing, the pillar was always in the way. It stood right in the middle of the shack. If I collided with it once, I collided with it a hundred times. That, however, was only an inconvenience. My real objection was that the apparatus was failing to do its job. Mornings, the cold in the room lay like a congealed liquid. By midafternoon, when the stove was running hot, the air around my head would turn warm, though the floor and the corners stayed icy. A step or two carried me from equatorial warmth to polar cold. I wanted a more equable distribution of temperature, if I could get it; but more than anything else I wanted plenty of air in the place.
My theory was that I could get much better circulation if I brought the outlet arm of that duct close to the stove; the vacuum effect caused by the heating of the air in the pipe would pull more air into the shack. Lacking pipe joints, and having no other tools than a hammer, saw, and wrench, I solved the problem, finally, in a simple way. After taking down the wooden pillar and pipe, I sawed off seven inches of the wooden housing, and nailed it over the vent in the middle of the floor. Over this I nailed a piece of heavy canvas, thus making a box. Then I let into the side of it a piece of pipe, which ran across the floor to the foot of the bunk. Here an empty five-gallon gasoline tin, pierced through one side and the top, was made to serve as a second joint. Into the top of the can I fitted a stand of pipe and leaned the top part of it against the horizontal section of the stovepipe near the ceiling.
I didn't finish until 3 o'clock in the morning; and, while the result was hardly a new advance in the technics of air conditioning, an improvement in my ventilation was noticeable. A piece of tissue paper held over the outlet fluttered convincingly. And now that the awkward pillar had been eliminated from the middle of the room, the shack seemed twice as large. However, the dispensation was limited; for, instead of bumping against the pipe, I was now tripping over it; but the increased elbow room was adequate compensation. Next morning, when I got up, the inside temperature was 30 degrees below zero. The new arrangement was working quite nicely indeed.
*****
Although the day was gone, the twilight lingered in the sun's wake. At noon the northern horizon continued to erupt with explosive reds and yellows and greens. There were still several hours on either side of noon when I could work and travel on the Barrier without a light. But the mornings and afternoons were dark as night; and I found that my routine was being regulated imperceptibly by the darkness, even as the daylight had regulated it before. In addition to the weather observations I now had to make five auroral observations every day. They came at 10 o'clock in the morning, then at 1 o'clock, 4 o'clock, 7 o'clock, and the last at 10 o'clock. The aurora occurs in complicated patterns, called rays, arcs, curtains, bands, and coronas. Standing at the hatch, I would identify the structure, and note other relevant information, such as the bearing and estimated altitude of the center and the termini. These data were entered in a special book; and the auroral observations, like the meteorological observations, were timed to coincide with simultaneous observations at Little America to make for true correlations later on. A day broken up in this wise could never be a spacious day. Until I became used to it, my life seemed to be made up of busy, unrelated little fragments which I seldom succeeded in piecing together.
Now, I had always been a somewhat casual person, governed by moods as often as by necessities, and given to working at odd hours. My
My theory was that I could get much better circulation if I brought the outlet arm of that duct close to the stove; the vacuum effect caused by the heating of the air in the pipe would pull more air into the shack. Lacking pipe joints, and having no other tools than a hammer, saw, and wrench, I solved the problem, finally, in a simple way. After taking down the wooden pillar and pipe, I sawed off seven inches of the wooden housing, and nailed it over the vent in the middle of the floor. Over this I nailed a piece of heavy canvas, thus making a box. Then I let into the side of it a piece of pipe, which ran across the floor to the foot of the bunk. Here an empty five-gallon gasoline tin, pierced through one side and the top, was made to serve as a second joint. Into the top of the can I fitted a stand of pipe and leaned the top part of it against the horizontal section of the stovepipe near the ceiling.
I didn't finish until 3 o'clock in the morning; and, while the result was hardly a new advance in the technics of air conditioning, an improvement in my ventilation was noticeable. A piece of tissue paper held over the outlet fluttered convincingly. And now that the awkward pillar had been eliminated from the middle of the room, the shack seemed twice as large. However, the dispensation was limited; for, instead of bumping against the pipe, I was now tripping over it; but the increased elbow room was adequate compensation. Next morning, when I got up, the inside temperature was 30 degrees below zero. The new arrangement was working quite nicely indeed.
*****
Although the day was gone, the twilight lingered in the sun's wake. At noon the northern horizon continued to erupt with explosive reds and yellows and greens. There were still several hours on either side of noon when I could work and travel on the Barrier without a light. But the mornings and afternoons were dark as night; and I found that my routine was being regulated imperceptibly by the darkness, even as the daylight had regulated it before. In addition to the weather observations I now had to make five auroral observations every day. They came at 10 o'clock in the morning, then at 1 o'clock, 4 o'clock, 7 o'clock, and the last at 10 o'clock. The aurora occurs in complicated patterns, called rays, arcs, curtains, bands, and coronas. Standing at the hatch, I would identify the structure, and note other relevant information, such as the bearing and estimated altitude of the center and the termini. These data were entered in a special book; and the auroral observations, like the meteorological observations, were timed to coincide with simultaneous observations at Little America to make for true correlations later on. A day broken up in this wise could never be a spacious day. Until I became used to it, my life seemed to be made up of busy, unrelated little fragments which I seldom succeeded in piecing together.
Now, I had always been a somewhat casual person, governed by moods as often as by necessities, and given to working at odd hours. My
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