MAKE A MEME View Large Image Cryogenics 003.jpg Each of the three compressors took hydrogen gas from a low-pressure supply at 75 lb/in 2 and compressed it to 2000 lb/in 2 The compressors required 25 horsepower and were four-stage and water-cooled Victor J Johnson ...
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Keywords: Cryogenics 003.jpg Each of the three compressors took hydrogen gas from a low-pressure supply at 75 lb/in 2 and compressed it to 2000 lb/in 2 The compressors required 25 horsepower and were four-stage and water-cooled Victor J Johnson project leader for plant operations shown standing in front of a bank of air-operated selector valves which connected the compressors to either of the two hydrogen liquifying symbols National Institute of Standards and Technology National Institute of Standards and Technology The images in the Cryogenics Photographic Collection are in the public domain and are not subject to copyright in the United States However please pay special attention to the individual works to make sure there are no copyright restrictions indicated Individual works may require securing other permissions from the original copyright holder Use of the images from NIST Digital Collections is not restricted but a statement of attribution is required Please use the following attribution statement National Institute of Standards and Technology Digital Collections Gaithersburg MD 20899 PD-USGov National Bureau of Standards National Institute of Standards and Technology Cryogenics
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