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The production of molten drops by bombarding the lower end of a vertically suspended rod with electrons has enabled the drop-weight method to be applied to the measurement of the surface tension γ of liquid tungsten. The mean value obtained is 2300 dyn cm -1 at the melting temperature of 3380°C in a vacuum of approximately 10 -4 mb.
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A. Calverley (1957) studied this question.
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