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A novel technique of measuring the linear compressibility of ice at relatively low pressures (<0.5 kb) is described. A cathetometer was used in conjunction with a window-equipped pressure chamber to measure changes in the lengths of ice specimens compressed hydrostatically to 0.31 kb. A mean linear compressibility of 3.7 Mb−1 was obtained at −10°C, and the compressibilities perpendicular and parallel to the c axis of single crystals of ice were found to agree within 10%.
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Gow et al. (1972) studied this question.
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