The present data were obtained from observations on the flow of liquid helium II through long capillaries. Two capillaries were used; the first had a circular bore of radius 0 -05 cm. and length 130 ...
It was noted that the conductivity appeared to increase as the bore of the conduction capillary decreased. It was then found that at very low temperatures (1'08° K.) small heat flows produced a rise ...
Image: A 4,000-gallon helium dewar is unloaded from an LC-130 at the South Pole Station. Such shipments may soon cease as experiments move away from using liquid helium to cool telescope sensors.
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