{"product_id":"american-practical-navigator-bowditch-1981-vol-2-hardcover","title":"1981 American Practical Navigator - Bowditch - Volume 2 - Hardcover Book","description":"\u003cdiv\u003eUsed for study purposes\u003c\/div\u003e\u003cdiv class=\"pc-about\"\u003e\n\u003cp\u003eVolume II of the 1981 American Practical Navigator (“Bowditch,” Pub. No. 9) was published by the Defense Mapping Agency Hydrographic\/Topographic Center under the subtitle \u003cem\u003eUseful Tables, Calculations, Glossary of Marine Navigation\u003c\/em\u003e. In the agency’s words, it provides the tables, formulas, data and instructions needed for many of the computations of dead reckoning, piloting and celestial navigation.\u003c\/p\u003e\n\u003cp\u003ePart One holds 41 tables, among them traverse and compact traverse tables, meridional parts, distance of the horizon, distance by vertical angle, geographic range, true wind, barometer and humidity corrections, amplitudes, natural trigonometric functions, logarithms, haversines and the Ageton method. Later parts explain navigational mathematics and interpolation, compass conversions, distance and time calculations, celestial navigation calculations and sextant altitude corrections. The volume closes with an extensive glossary.\u003c\/p\u003e\n\u003cp\u003eNGA’s foreword to the 2024 Volume II notes that the 1981 edition became the main reference the U.S. Coast Guard used for merchant mariner license testing, until the National Maritime Center moved to the current edition in 2022, and that many mariners still prefer it. This is Paradise Cay’s 7 x 10 inch hardcover reprint.\u003c\/p\u003e\n\u003c\/div\u003e\u003ch3\u003eDetails\u003c\/h3\u003e\u003ctable class=\"product-details\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eBook\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBook Type\u003c\/th\u003e\n\u003ctd\u003eHardcover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (IN)\u003c\/th\u003e\n\u003ctd\u003e7 x 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePages\u003c\/th\u003e\n\u003ctd\u003e974 pages\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAuthor\u003c\/th\u003e\n\u003ctd\u003eNathaniel Bowditch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier\/Publisher\u003c\/th\u003e\n\u003ctd\u003eParadise Cay Publications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eISBN\u003c\/th\u003e\n\u003ctd\u003e9781937196493\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDate Added\u003c\/th\u003e\n\u003ctd\u003eFebruary 2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormat\u003c\/th\u003e\n\u003ctd\u003eHardcover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cdiv class=\"pc-book-specs\"\u003e\n\u003ch4\u003eBook Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7 x 10 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Hardcover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublisher\/Distributor:\u003c\/strong\u003e Paradise Cay Publications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Paradise Cay Publications, Inc.","offers":[{"title":"Default Title","offer_id":67856805724405,"sku":"POD017","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/2198\/0149\/files\/POD017_opt.jpg?v=1793863214","url":"https:\/\/paracay.com\/products\/american-practical-navigator-bowditch-1981-vol-2-hardcover","provider":"Paradise Cay Publications, Inc.","version":"1.0","type":"link"}