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Sir Robert Robertson
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Correspondence between R. Winstanley Lunt, Sir Robert Robertson, Professor William Thomas Gordon, University of London, and [John Jacob] Fox. Relates to the question of whether there should be a scientific survey of the available ranges of diamond "qua...

Correspondence between R. Winstanley Lunt, Sir Robert Robertson, Professor William Thomas Gordon, University of London, and [John Jacob] Fox. Relates to the question of whether there should be a scientific survey of the available ranges of diamond "quality" in relation to mechanical properties and industrial uses.

[9 letters, some copies with related data].

Sir Robert Robertson

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