Abstract
PINHOLES are a serious problem in the case of some photographs. For example, a number of pinholes in a delicate cloud photograph will quite spoil the effect, unless they are carefully spotted out. Spotting out may be easy for a professional, but the ordinary amateur finds a considerable difficulty in doing it properly, and if lantern slides are to be made the technique is still more difficult.
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CAVE, C. Pinholes in Photographic Negatives. Nature 119, 852 (1927). https://doi.org/10.1038/119852a0
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DOI: https://doi.org/10.1038/119852a0
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