Word: flavel
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...recent years attempts have been made to use infrared radiation (invisible vibration longer in wave length than visible light) to help fog-wrapped ships at sea. Some time ago Master Mariner Flavel M. Williams experimented with infrared cameras on two U. S. ships. The alert head of Pennsylvania's State police, Commissioner Percy W. Foote, decided that infrared radiation could be utilized on land as well as on sea, asked Flavel M. Williams to help him put it to work catching traffic law violators...
...which made use of infra-red radiation in the region of heat waves, naturally emitted by all objects warmer than absolute zero (TIME, May 8, 1933). It turned on warning lights, rang a gong when a fog-shrouded vessel passed another ship. Few months later Master Mariner Flavel M. Williams installed on the Manhattan and Washington a camera which took a picture of an obstacle through fog by infra-red radiation, producing the developed film 30 seconds after exposure (TIME...
Speakers include Maxwell N. Halsey, Assistant Director of the Bureau for Street Traffic Research, Flavel Shurtleff, counsel of the American Planning and Civic Association, Sir Raymond Un-win, former president of the Royal Institute of British Architects and Frederick J. Adams, Assistant Professor of City Planning...
Billboards, hot dog stands and filling stations will be the defendants in a talk to be given by Flavel Shurtleff '01, New York City planning expert, on "Control of Roadside Development...
Awarded. To Flavel Manley Williams: a special gold medal of the American Museum of Safety; for his invention of the "fog camera" which, utilizing a special infra-red-sensitive film, can take photographs at great distances through fog (TIME, Jan. 15); in Manhattan...