Celestial Navigation by H. O. 249 在线电子书 图书标签:
发表于2024-12-18
Celestial Navigation by H. O. 249 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
Here is a basic, beginner's book, introducing the tyro to the tools, the vocabulary, and the techniques of celestial navigation. Among the recommended tools are the H.O. 249 tables, the most widely used among amateur navigators at sea, because of their simplicity.If you can read, add and subtract, understand angles, and use a protractor, you can learn to navigate in your armchair or at sea from Celestial Navigation by H.O. 249.
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Celestial Navigation by H. O. 249 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024