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Updated: May 5, 2025
Overhead hung an ordinary tell-tale compass, and compactly placed on other parts of the wall were barometers, thermometers, barographs, and, in fact, practically every instrument that the most exacting of aeronauts or Space-explorers could have asked for.
The meteorological investigations took on a more definite shape; the instruments intended for the land base were set up on board ship, including self-recording barographs, thermometers, and a Dines anemometer, with which very satisfactory results were got.
Calculations based on the time of arrival of this disturbance at widely separated points show that it proceeded with the velocity of sound from a point situated probably in Northern Labrador. The maximum rise of pressure recorded was registered at Halifax, the self-recording barographs showing that the pressure rose over six centimetres in less than five minutes.
Though the barographs themselves gave no indication whence this wave had come, the variation in its intensity at different meteorological observatories could be accounted for by the law of inverse squares on the supposition that the explosion which started the wave had occurred at fifty-five degrees north, seventy-five degrees west." The professor paused and wiped his glasses.
"Well, I'm done with the whole business right now," Bud continued firmly. "Find that it gets too much of a hold on my mind to bother with while I'm still going to school. Day and night I couldn't think of anything but monoplanes, cylinders, drag brakes, propellers, guy wires, wing-tips, levers, barographs, barometers, searchlights, volplaning and all such stuff. It was wearing on my mind, you see.
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