gas compression equipment / Compression equipment / advisory services / by-passed gas / helium gas / helium gas circuit / hydrogen gas / capacity refrigeration systems / calibration services / helium gas stream / radio communications / energy / /
Organization
Congress / office of Technical Services / NATIONAL BUREAU OF STANDARDS Functions / UNITED STATES DEPARTMENT OF COMMERCE / Department of Commerce / U. S. Department of Commerce / National Bureau of Standards / Government Printing Office / /
Helium refrigeration and liquefaction using a liquid hydrogen refrigerator for precooling / by D.B. Chelton, J.W. Dean, T.R. Strobridge, B.W. Birmingham, and D.B. Mann.