Dr. Johnstone, a Washington scientist, is about to erect a laboratory at Niagara Falls for the manufacture of diamonds by crystallising pure mineral carbon with electrical current of enormous power derived from the Niagara electric works. By this process ]>r. Johnstone declares he will eventually produce diamonds surpassing the Koh-i----noor in si/.c, colour and purity, only a few days being required to turn carbon into diamonds,
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Bibliographic details
Waikato Argus, Volume III, Issue 184, 16 September 1897, Page 2
Word Count
66Page 2 Advertisements Column 5 Waikato Argus, Volume III, Issue 184, 16 September 1897, Page 2
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