,-At the beinning of the nineteen;.-. '-en* tury the population of the world wa. e;limated at 700,000,000. Now it is about 1600 millions, having- more than doubled iltelt in 120 years. The power derived from the hydro* electric plants at Niagara is ejjual to the full effort of 45,000,000 able-bodied men, or considerably more than that of all the ablebodied men in Great Britain.
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Otago Daily Times, Issue 20022, 12 February 1927, Page 10
Word Count
64Page 10 Advertisements Column 4 Otago Daily Times, Issue 20022, 12 February 1927, Page 10
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