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Institute on 29 April 1948.Members of the Iron and Steel Institute were invited to attend.At the afternoon meeting Mr. G. Seligman showed a film illustrating the methods of glacier research in the field used by the Jungfraujoch Glaciological Research Party of 1938.He also dealt briefly with the next stage of his researches on the growth of the glacier crystal-the development of large crystals in the tongues of glaciers and in dead ice.
A 1949 study studied this question.