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...water containing sodium hypochlorite. This venture gave promising results, but all such research lapsed for another decade. Within the last few years, several research groups (notably the University of Pennsylvania's new Air-Borne Disease Laboratories) again began testing various sprays. Many chemicals were found to kill airborne micro-organisms quickly, even in concentrations as low as one gram of chemical per 500 cu. ft. of air. Trouble was that all these air germicides smelled bad, or were toxic, or irritated the respiratory tract. Dr. Robertson's propylene glycol vapor is odorless, tasteless, nontoxic, non-irritating, cheap, highly...
...Saturday night, after Civilian Defense Chief Fiorello LaGuardia had described the new 50.000 watt transmitter's insurance against wartime interruption (if power lines fail, it can run on its own generator, pick up the studio by micro-wave), the shift was made from WABC's old antennae near Wayne...
...while commander of the post at Aden, he took up sailing; and read every book he could get until he had mastered every salty trick of luff and leech. Also at Aden, he became interested in photography; and cared so much for detail that he went into micro-pictures, snapping miniature plants and shells...
Research in the Museum's technical department of conservation continued on "solubility of film materials used in surface coatings of works of art, particularly combinations of oil and resin; prevention of growth of mold and micro-organisms in the paint of pictures and in the supporting materials; response of wood to atmospheric conditions and means for making it less mobile in change temperature and humidity; the relation of paint medium and paint structure to characteristics of handling or execution in pictorial design...
Along with the same scholarly material, the Library is also storing in Central Europe files of newspapers, which normally would be photographed at the Library on micro-films. In 1938, under a grant from the Rockefeller Foundation, the Library began micro-film files of some thirty-five newspapers in all parts of the world. The film records are available at cost to other libraries desiring them...