Abstract
THE United States liner Manhattan has recently been fitted with a special look-out camera intended for an investigation of fog penetration with infra-red sensitive materials. Mechanism for the automatic developing and fixing of the photographs is included in the body of the camera itself, and the photographic record may be viewed one minute after the exposure has been made. The weather conditions encountered by the Manhattan since the new apparatus was installed have not been suitable for experimental work, so no records obtained under service conditions are yet available. The problem of fog penetration is not at all simple, and it remains to be seen whether the degree of penetration actually obtained by this method will be really helpful to navigators.
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Infra-Red Photography as an Aid to Navigation. Nature 133, 132 (1934). https://doi.org/10.1038/133132b0
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DOI: https://doi.org/10.1038/133132b0