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Sextant
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Download or read book Sextant written by David Barrie and published by Harper Collins. This book was released on 2014-05-13 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the tradition of Dava Sobel's Longitude comes sailing expert David Barrie's compelling and dramatic tale of invention and discovery—an eloquent elegy to one of the most important navigational instruments ever created, and the daring mariners who used it to explore, conquer, and map the world. Since its invention in 1759, a mariner's most prized possession has been the sextant. A navigation tool that measures the angle between a celestial object and the horizon, the sextant allowed sailors to pinpoint their exact location at sea. David Barrie chronicles the sextant's development and shows how it not only saved the lives of navigators in wild and dangerous seas, but played a pivotal role in their ability to map the globe. He synthesizes centuries of seafaring history and the daring sailors who have become legend, including James Cook, Matthew Flinders, Robert Fitz-Roy, Frank Worsley of the Endurance, and Joshua Slocum, the redoubtable old "lunarian" and first single-handed-round-the-world yachtsman. He also recounts his own maiden voyage, and insights gleaned from his experiences as a practiced seaman and navigator. Full of heroism, danger, and excitement, told with an infectious sense of wonder, Sextant offers a new look at a masterful achievement that changed the course of history.
Download or read book Sextant written by David Barrie and published by William Collins. This book was released on 2015-05-25 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the tradition of Dava Sobel's 'Longitude' comes sailing expert David Barrie's compelling and dramatic tale of invention and discovery - an eloquent elegy to one of the most important navigational instruments ever created, and the daring mariners who used it to explore, conquer, and map the world.
Book Synopsis The Nautical Sextant by : W. J. Morris
Download or read book The Nautical Sextant written by W. J. Morris and published by . This book was released on 2010-10 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Nautical Sextant reveals in pictures, prose, and perspective the experience and knowledge gained by the author from years of acquiring, studying, and restoring sextants from earlier times and from around the world. This fascinating book owes much of its attraction to the expert description and photos of the mechanics of the sextants and their subassemblies. It is also the story of how different manufacturers, in different times and places, solved the same mechanical problems in different ways in order to perfect one of the most accurate mechanical devices ever produced by man. All of this is complemented by an historical overview to the current day, an overview which has never been published until now. The Nautical Sextant will be of particular value not only to navigators, but also to restorers, collectors, students of technology, curators, and sextant dealers. With its bibliography and extensive use of footnotes, this book will certainly become a classic in its field.
Download or read book Taking the Stars written by Peter Ifland and published by Krieger Publishing Company. This book was released on 1998 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text focuses on the history of the development of hand-held celestial navigation instruments, offering descriptions of the tools used. It also includes a glossary of technical terms.
Book Synopsis Celestial Navigation in the GPS Age by : John Karl
Download or read book Celestial Navigation in the GPS Age written by John Karl and published by Paradise Cay Publications. This book was released on 2007 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many books on celestial navigation take shortcuts in explaining concepts; incorrect diagrams and discussion are often used for the sake of moving the student along quickly. This book tells the true story-and the whole story. It conveys celestial navigation concepts clearly and in the shortest possible time.It's tailored for navigation in the GPS age-a time of computers, calculators, and web resources. Although it covers all of the traditional methods of 'working a sight, ' the primary thrust is using the (under $10) scientific calculator. By using equations that you key into your calculator, this book guides you toward a better understanding of the concepts of celestial navigation.You will learn novel ways to plot lines of position, ways to check your sextant accurately by star sights, and how to tell what time it is from a moon sight. The many appendices are a treasure of references and explanations of abstract ideas. Celestial Navigation is a crucial skill for the offshore navigator to know, this book provides the shortest path to that knowledge.
Book Synopsis How to Use Plastic Sextants with Applications to Metal Sextants and a Review of Sextant Piloting by : David Burch
Download or read book How to Use Plastic Sextants with Applications to Metal Sextants and a Review of Sextant Piloting written by David Burch and published by . This book was released on 2010-09 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sextants are used to measure angular heights of celestial bodies above the horizon to find the latitude and longitude of the observer. They can also be used on land with artificial horizons. Sextants can also be used to find the correct Universal Time by measuring the angular distance between the moon and another body along its path across the zodiac. In coastal waters or on land, sextants can be used for very accurate piloting by measuring the horizontal angles between charted landmarks. The vertical angle of a peak above its baseline determines the distance to it, which, combined with a compass bearing, yields a position fix from just one landmark. The angular dip of an object (island or vessel) below the visible horizon can also be used to determine the distance to it. This booklet explains how to get the best results from plastic sextants, and presents numerical comparisons with similar data from metal sextants. Sextant piloting techniques are also reviewed as they are an ideal use of a plastic sextant.
Book Synopsis American Practical Navigator by : Nathaniel Bowditch
Download or read book American Practical Navigator written by Nathaniel Bowditch and published by . This book was released on 1931 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Sextant and Its Applications by : W. H. Simms
Download or read book The Sextant and Its Applications written by W. H. Simms and published by . This book was released on 1858 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hawaii by Sextant: An In-Depth Exercise in Celestial Navigation Using Real Sextant Sights and Logbook Entries by : David Burch
Download or read book Hawaii by Sextant: An In-Depth Exercise in Celestial Navigation Using Real Sextant Sights and Logbook Entries written by David Burch and published by . This book was released on 2014-03-14 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the spirit of early Bowditch editions, we offer navigation details of a full ocean passage as an excellent way to learn the ropes of practical celestial navigation. With your own tables and plotting sheets, you can analyze 224 timed sextant sights of sun, moon, stars, and planets to obtain 26 position fi xes to fi nd your way along a 2,800-nmi voyage lasting 17 days. Solutions are provided by computation, workforms, and detailed plots using universal plotting sheets. After completing this passage you will be prepared to navigate by celestial navigation on your own, whether you need to or choose to. Also includes notes on optimizing sight analysis, hurricane tracking, DR error analysis, ocean currents, and use of visible light ranges for nighttime arrivals.
Book Synopsis The Sextants of Beijing: Global Currents in Chinese History by : Joanna Waley-Cohen
Download or read book The Sextants of Beijing: Global Currents in Chinese History written by Joanna Waley-Cohen and published by W. W. Norton & Company. This book was released on 2000-04-17 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This powerful work puts to rest the long-held myth that Chinese civilization is monolithic, unchanging, and perennially cut off from the rest of the world. An inviting history of China from the days of the ancient Silk Road to the present, this book describes a civilization more open and engaged with the rest of the world than we think. Whether in trade, religious belief, ideology, or technology, China has long taken part in fruitful exchange with other cultures. With implications for our understanding of and our policies toward China, this is a must read.
Book Synopsis The Natural Navigator by : Tristan Gooley
Download or read book The Natural Navigator written by Tristan Gooley and published by The Experiment. This book was released on 2012-06-05 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the New York Times-bestselling author of The Secret World of Weather and The Lost Art of Reading Nature’s Signs, learn to tap into nature and notice the hidden clues all around you Before GPS, before the compass, and even before cartography, humankind was navigating. Now this singular guide helps us rediscover what our ancestors long understood—that a windswept tree, the depth of a puddle, or a trill of birdsong can help us find our way, if we know what to look and listen for. Adventurer and navigation expert Tristan Gooley unlocks the directional clues hidden in the sun, moon, stars, clouds, weather patterns, lengthening shadows, changing tides, plant growth, and the habits of wildlife. Rich with navigational anecdotes collected across ages, continents, and cultures, The Natural Navigator will help keep you on course and open your eyes to the wonders, large and small, of the natural world.
Book Synopsis Sextants at Greenwich by : W. F. J. Mörzer Bruyns
Download or read book Sextants at Greenwich written by W. F. J. Mörzer Bruyns and published by OUP Oxford. This book was released on 2009-06-25 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sextants at Greenwich consists of two main sections: The introductory chapters and the catalogue of navigating instruments of the National Maritime Museum. The first section gives a general overview of the history of celestial navigation with an emphasis on the instruments that were developed and used for that purpose, between about 1450 and the 1970s. The instruments in the catalogue form the main thread in these chapters. The catalogue consists of 347 entries of instruments for celestial navigation, the octants, sextants and related instruments preserved in the National Maritime Museum. Each entry includes the place of the object's origin, its maker, the object's date, inscriptions (by the maker and/or relating to an owner), the graduated scale, the instrument's dimensions and a general description that includes details such as used materials and detached parts. Finally the object's provenance (previous owners and/or users) and references to literature on its history and handling are given.
Book Synopsis A History of Nautical Astronomy by : Charles H. Cotter
Download or read book A History of Nautical Astronomy written by Charles H. Cotter and published by . This book was released on 1968 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wrinkles in Practical Navigation ... by : Squire Thornton Stratford Lecky
Download or read book Wrinkles in Practical Navigation ... written by Squire Thornton Stratford Lecky and published by . This book was released on 1890 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Star to Steer Her By by : Edward J. Bergin
Download or read book A Star to Steer Her By written by Edward J. Bergin and published by Cornell Maritime Press/Tidewater Publishers. This book was released on 2009-07-31 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spend eight hours with this book and you will have a solid working knowledge of celestial navigation. This may sound like an outrageous claim, but it's true. A Star to Steer Her By: A Self-Teaching Guide to Offshore Navigation is a beginner's text, giving straightforward explanations of everything you need to know to find your way across the bay or around the globe. This book takes you step-by-step through celestial navigation. You'll learn how to use the Nautical Almanac, chronometer, sextant, star finder, and the H.O. 229 and assumed altitude sight reduction tables. The book features specially designed celestial navigation workforms developed from the course material the author has used in his Weems & Plath-sponsored navigation course. Each chapter is a complete lesson (with suggested time allotment), and includes a study guide, examples of realistic situations the mariner may encounter, and â oecheck yourselfâ practice problems.
Book Synopsis Celestial Navigation in a Nutshell by : Hewitt Schlereth
Download or read book Celestial Navigation in a Nutshell written by Hewitt Schlereth and published by Sheridan House, Inc.. This book was released on 2000 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hewitt Schlereth is a writer and sailing enthusiast.
Book Synopsis Celestial Navigation Exercises for Class and Home study by : Dominique F. Prinet
Download or read book Celestial Navigation Exercises for Class and Home study written by Dominique F. Prinet and published by FriesenPress. This book was released on 2016-01-15 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: About the Manual Celestial Navigation Exercises for Class and Home Study was designed to facilitate the work of instructors using the free PowerPoint slide presentation available at CelestialNavigationBook.com. This exercise manual, available in hard copy and in PDF format for tablets, reproduces the questions posed at regular intervals throughout the slide presentation; it provides the work-forms guiding the calculations, and the solutions. Students taking a course from an instructor who follows the slide presentation will normally have the associated course book Celestial Navigation using the Sight Reduction Tables Pub. No. 249. In order to facilitate the download process, the free version of the exercise manual (available for download from CelestialNavigationBook.com), includes neither the Almanac nor the Sight Reduction Tables required for the calculations because these tables are identical to the ones in the course book. This complete version of the exercise manual, with all the required data tables in the appendix, will thus be useful mostly to navigators who do not have the course book but wish to practice on their own, as well as to students who follow the presentation and have the course book but do not wish to download and print 140 pages of questions and answers.
