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Astrolabes & Sextants: How Our Ancestors Navigated the High Seas
With modern GPS, we often don’t think too hard about how to navigate, but GPS does not work very well on the open sea. That ...
National Parks Traveler20d
Be Expert With Map and Compass, The Complete Orienteering Handbook
Sadly, I must admit that my map and compass skills are horribly, horribly rusty. Many years ago, while filling out some spare credits in my college days, I actually took an orienteering course in ...
Nature21d
The Geometry of Compasses; or, Problems Resolved by the mere Description of Circles, and "the Use of Coloured Diagrams and Symbols"
The Geometry of Compasses; or, Problems Resolved by the mere Description of Circles, and "the Use of Coloured Diagrams and Symbols". By Oliver Byrne. (London: Crosby Lockwood and Co., 1877.) ...