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- 1820 – Illustration showing military exercises on skis, soldiers using a single pole, for propulsion and to steady their aim, from Arthur De Capel Brooke’s A Winter in Lapland and Sweden, about 1820. Reproduced in The Ski-Runner, E. C. Richardson, 1909, 35
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- 1747 – Norwegian Soldier with one long ski and one short, and with one pole – with disk and spike on end. Circa 1747. SKI Magazine’s Encyclopedia of Skiing, Harper & Row, New York. 1979, 5