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. | The Lo-Tech Navigator by Tony Crowley, Paperback | Indigo Chapters