Secrets of Polar Travel

ISBN: 9781331919940 出版年：2016 页码：328 Robert E Peary Forgotten Books

In my book The North Pole appeared a brief résumé, or synopsis, of my system of arctic ex ploration, which was the evolution of years of continuous practical work and experience in ex treme high latitudes, wherein everything that could be thought of in the way of perfecting arctic methods and equipment was worked out.