{ "item_title" : "The Sextant And Its Applications", "item_author" : [" William H. Simms "], "item_description" : "The Sextant and Its Applications is a comprehensive guide to the use and correction of sextants, a tool used for celestial navigation. Written by William H. Simms in 1858, the book covers the history and development of the sextant, as well as practical advice on how to use it for accurate measurements of the sun, moon, and stars. The book also includes detailed instructions for correcting observations for instrumental errors, ensuring that navigators can rely on their sextants for accurate readings. This book is a valuable resource for anyone interested in the history of navigation and the use of sextants for celestial observations.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/16/926/360/1169263607_b.jpg", "price_data" : { "retail_price" : "38.95", "online_price" : "38.95", "our_price" : "38.95", "club_price" : "38.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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