Word: refrigerationer
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Dates: during 1920-1929
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Secretary D. H. Killeffer of the New York section of the American Chemical Society last week helped the lay public to catch up with a notable advance in commercial refrigeration. He described the properties and uses of "dry ice," as this commercial solid carbon dioxide is called from the fact...
Lehigh University was founded 62 years ago by a man named Asa Packer. In 1884 it graduated a young man named James Ward Packard who took his mechanical engineering knowledge back to Warren, Ohio, his birthplace, and put it to work. Last week Lehigh University acknowledged the receipt, from James...
Ever since he invented silica gel during the War, Dr. W. A. Patrick, Professor of Chemistry at Johns Hopkins University, has been prophesying the universal use of his product in steelmaking, oilrefining, refrigeration. Last week he was able to report striking progress. A steel mill in England is using it...
Then in 1914 Fritz Haber, clever German necromancer, found that nitrogen gas can be captured in another way-by combining it with hydrogen to form ammonia. Instead of electricity, the Haber process makes use of an agent called a "catalyst," which is a substance that by its mere presence causes...