Balloon Flight and Atmospheric Electricity
Description:
"The air is known to be charged with electricity (chiefly positive) with reference to the earth, so that its potential increases with the altitude and the difference in potential between two points in the same vertical line, divided by the distance between them, gives a value called the "potential gradient," which may vary greatly with the altitude, the nature of the ground and the atmospheric conditions" (p. 1).
Date:
July 1924
Creator:
Herrera, Emilio
Item Type:
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Partner:
UNT Libraries Government Documents Department