Abstract
AN interesting account of a number of experiments by Prof. R. S. Tarr and Dr. J. L. Rich, of Cornell University, appears in the Zeitschrift für Gletscherkunde (Band vi., p. 225). The results agree mainly with those obtained by Mügge and MacConnell, and show that, as urged in 1869 by W. Mathews, those of Prof. Tyndall and Canon Moseley were inconclusive, through not taking sufficient account of the time-element in the problem. These recent experiments, which were both numerous and designed to test the various properties of ice, show that it welds readily at a temperature of 0° C.; that when a block of ice has been cut through by a wire and regelation has occurred, optical continuity is re-established, the new-forming crystals being controlled by those previously in existence, and that the welding, at temperatures well below the freezing point, to some extent resembles what has been observed in marble after being crushed.
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Properties and Structure of Ice . Nature 91, 307 (1913). https://doi.org/10.1038/091307a0
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DOI: https://doi.org/10.1038/091307a0