Description: A map from 1915 showing the co–tidal lines of the British Seas. The figures represent time in hours. Place Names: British Isles, United Kingdom, Franc ISO Topic Categories: oceans Keywords: British Tidal Lines, physical, hydrological, physical features, currents, oceans, Unknown, 1915 Source: Graeme Williams, ed., The World We Live In (London, England: Waverley Book Company, LTD, 1915) 167 Map Credit: Courtesy the private collection of Roy Winkelman |
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