Professor H. H. Tumor, lecturing at tho Royal Institution in London, pointed out that 46 million years ago a day was only 16 hours long, and ton million years farther back was only 10_ hours long," Tho days nfe lengthening owing to _ the slowing down of tho earth's revolutions.
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Otago Daily Times, Issue 15822, 22 July 1913, Page 8
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49Page 8 Advertisements Column 4 Otago Daily Times, Issue 15822, 22 July 1913, Page 8
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