The Lo-Tech NavigatorSheridan House, Inc., 2004 - 147 Seiten The Lo-Tech Navigator is an entertaining and practical book for those who wish to be less dependent on GPS and electronics. Through a variety of illustrated projects, you can learn to make traditional navigation instruments and explore some unusual and long forgotten techniques. Tony Crowley explains how to: detect sea currents using a kettle; find latitude and longitude by the Pole Star; take sun sights with a cassette holder, find your position through origami, navigate with the aid of poetry, make a compass from a tin lid, self-steer with a tiller sail, search for buried and discover the magic of 6. |
Inhalt
Introduction | 7 |
A tide table holder x | 20 |
Rope trick x | 35 |
A readymade heliograph x | 51 |
Reading the sea x | 65 |
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Häufige Begriffe und Wortgruppen
accurate adhesive adjustment altitude angle appear attached bearing block boat calculate Captain centre chart close compass correct course craft cross declination device direction directly distance east or west edge equator error estimate example face Figure Figure X finger four frame gradually Greenwich hand height hole horizon hour island knots known Kochab latitude leaving length light longitude look lower Materials measure meridian minutes mirror mooring navigation night notes object observation obtained pass piece Pole Pole Star position procedure quadrant result returned rotate sailing scale sextant shadow ship short shown side sight simple speed spirit staff stars steering sun’s surface tables tide tiller transit true upper vane wind yacht