Abstract
AN unusual rainbow display was visible at sea between 6.30 and 7 p.m. on the evening of August 16. The primary and secondary bows were complete and of exceptional brilliancy. Between these two lay two arcs of a third bow, cutting the primary bow near the horizon and ending in the secondary bow about 20 above the horizon in the manner shown in the accompanying diagram.
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LOW, A. An Unusual Rainbow . Nature 99, 525 (1917). https://doi.org/10.1038/099525b0
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DOI: https://doi.org/10.1038/099525b0
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