Sextant 2024 pdf epub mobi 电子书

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发表于2024-06-17

Sextant 2024 pdf epub mobi 电子书

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出版者:William Morrow

作者:David Barrie

出品人:

页数:368

译者:

出版时间:2014-5-13

价格:USD 25.99

装帧:Hardcover

isbn号码:9780062279347

丛书系列:

图书标签: 資本主義英國歷史技術大航海

Sextant 2024 pdf epub mobi 电子书图书描述

In the tradition of Dava Sobel's Longitude comes sailing expert David Barrie's compelling and dramatic tale of invention and discovery—an eloquent elegy to one of the most important navigational instruments ever created, and the daring mariners who used it to explore, conquer, and map the world.

Since its invention in 1759, a mariner's most prized possession has been the sextant. A navigation tool that measures the angle between a celestial object and the horizon, the sextant allowed sailors to pinpoint their exact location at sea.

David Barrie chronicles the sextant's development and shows how it not only saved the lives of navigators in wild and dangerous seas, but played a pivotal role in their ability to map the globe. He synthesizes centuries of seafaring history and the daring sailors who have become legend, including James Cook, Matthew Flinders, Robert Fitz-Roy, Frank Worsley of the Endurance, and Joshua Slocum, the redoubtable old "lunarian" and first single-handed-round-the-world yachtsman. He also recounts his own maiden voyage, and insights gleaned from his experiences as a practiced seaman and navigator.

Full of heroism, danger, and excitement, told with an infectious sense of wonder, Sextant offers a new look at a masterful achievement that changed the course of history.

Sextant 2024 pdf epub mobi 电子书

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因为写文，所以对大航海时代的一切都很感兴趣，在挑书的时候，意外看见了这本，然后封面上写着的“a voyage guided by the stars”深深吸引了我。和机器的冰冷和偶尔不靠谱相比，人类在星空和自然的助力下寻找航路更让我动容。这本书一开始几章介绍了六分仪的前世今生，很有学术意义，然后后面在作者自己年轻时的航海旅行中穿插了前人们的英勇故事。撇开那些“探险家”们的目的和最终结局，总之，必须要为他们当时的勇气和坚毅喝彩和敬佩。

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