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The Barefoot Navigator - JACK LAGAN

The Barefoot Navigator

JACK LAGAN

 
29,00 $

Livre en anglais
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EN SAVOIR PLUS Résumé

The Barefoot Navigator introduces the navigation skills of the ancients--methods using the sun, sea, wind, and stars, and even the flight patterns of ocean birds. The Barefoot Navigator also shows today's sailors how to apply these methods to augment--and in the case of emergency, replace-their modern navigation systems. And it not just for emergencies--sometimes it is just plain fun to create a simple astrolabe or polar stick and confirm what your GPS tells you.

Polynesians managed to populate an area of ocean larger than North America simply by analyzing clouds, currents, and wind direction--how did they do it? In the first portion of The Barefoot Navigator Lagan introduces these ancient seafarers and their powerful, accurate--and seemingly simple--navigation techniques. We also learn that the Vikings routinely traveled on the notorious stretches of water between Iceland, Greenland, and Scandinavia--no charts, no GPS; it seems mind-boggling but Lagan shows us how. The second section of The Barefoot Navigator teaches how to combine these ancient techniques--and even construct the simple devices if we desire-with today's modern navigational devices, especially in emergency situations (loss of power, loss of signal), to ensure a constant grasp on your vessel's location--no matter what.

Interlacing fascinating history with useful advice and enjoyable writing, The Barefoot Navigator is unlike every other navigation reference out there.

Détails
Prix : 29,00 $
Catégorie :
Auteur :  JACK LAGAN
Titre : The Barefoot Navigator
Date de parution : novembre 2017
Éditeur : BLOOMSBURY
Sujet : NAVIGATION
ISBN : 9781472944771 (1472944771)
Référence Renaud-Bray : 12329363
No de produit : 2251345

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The Barefoot Navigator , LAGAN, JACK
© BLOOMSBURY 2017
27 expressions de la langue française revisitées 14,99 $

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