Master Mariner Flavel M. Williams last week loped happily down the gangplank of the United States liner Manhattan, back from Bermuda. His "fog camera," tested during the cruise under his supervision, was to remain on the Manhattan's upper bridge as regular equipment, was slated for installation on the Manhattan's sister ship Washington.
Infra-red rays, invisible and insensible, pierce much farther through fog than visible light. With cameras using infra-red-sensitive film, special lenses and filters, mountains lost in haze have been photographed from hundreds of miles away, group pictures of people have been taken in...
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