{"id":99265,"date":"2026-10-29T02:58:35","date_gmt":"2026-10-29T01:58:35","guid":{"rendered":"https:\/\/kart.no\/produkt\/a-history-of-the-navigators-sextant\/"},"modified":"2026-10-29T05:23:49","modified_gmt":"2026-10-29T04:23:49","slug":"a-history-of-the-navigators-sextant","status":"publish","type":"product","link":"https:\/\/kart.no\/en\/produkt\/a-history-of-the-navigators-sextant\/","title":{"rendered":"A History of the Navigator\u2019s Sextant"},"content":{"rendered":"<p><strong>A History of the Navigator\u2019s Sextant<\/strong> by C. H. Cotter describes how navigators learned to measure the altitude of celestial bodies from a vessel at sea. The book illustrates the problems that had to be solved before the sextant attained the form associated with classical astronomical navigation.<\/p>\n<p>The presentation progresses from land-based astronomical instruments to the mariner&#8217;s quadrant, the mariner&#8217;s astrolabe, various staffs, and early reflection instruments. Hadley&#8217;s quadrant is treated as a direct predecessor to the modern sextant.<\/p>\n<p>The sextant&#8217;s use in surveying and coastal navigation receives dedicated attention, along with attempts to develop an artificial horizon for use at sea. The conclusion also examines how the instruments were adapted for the needs of aviation.<\/p>\n<p>This book is suitable for navigators, instrument enthusiasts, and readers of science and maritime history. It provides context and background for an instrument that has long been a symbol of the navigator&#8217;s profession.<\/p>\n<p>The publication is in <strong>English<\/strong> and published by Brown, Son &#038; Ferguson Ltd. Author: C. H. Cotter. ISBN: 9780851744278.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>A History of the Navigator\u2019s Sextant<\/strong> traces the development of the sextant and its predecessors.<\/p>\n<p>For readers interested in the history of navigation and nautical instruments.<\/p>\n","protected":false},"featured_media":99266,"comment_status":"open","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":""},"product_brand":[1957],"product_cat":[1081],"product_tag":[],"class_list":["post-99265","product","type-product","status-publish","has-post-thumbnail","product_brand-brown-son-ferguson-ltd-en","product_cat-history-and-culture","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"composite_virtual":false,"composite_layout":"","composite_add_to_cart_form_location":"","composite_editable_in_cart":false,"composite_sold_individually_context":"","composite_shop_price_calc":"","composite_components":[],"composite_scenarios":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>A History of the Navigator\u2019s Sextant | Kart.no<\/title>\n<meta name=\"description\" content=\"A History of the Navigator\u2019s Sextant by C. H. Cotter traces the sextant and its predecessors, from early instruments to maritime and aviation use.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kart.no\/en\/produkt\/a-history-of-the-navigators-sextant\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A History of the Navigator\u2019s Sextant\" \/>\n<meta property=\"og:description\" content=\"A History of the Navigator\u2019s Sextant by C. H. Cotter traces the sextant and its predecessors, from early instruments to maritime and aviation use.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kart.no\/en\/produkt\/a-history-of-the-navigators-sextant\/\" \/>\n<meta property=\"og:site_name\" content=\"Kart.no\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/kart.no\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-29T04:23:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kart.no\/wp-content\/uploads\/2026\/10\/a-history-of-the-navigators-sextant-brown-son-ferguson.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1254\" \/>\n\t<meta property=\"og:image:height\" content=\"1254\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"A History of the Navigator\u2019s Sextant\" \/>\n<meta name=\"twitter:description\" content=\"A History of the Navigator\u2019s Sextant by C. 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Cotter traces the sextant and its predecessors, from early instruments to maritime and aviation use.\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/kart.no\\\/en\\\/produkt\\\/a-history-of-the-navigators-sextant\\\/\",\"url\":\"https:\\\/\\\/kart.no\\\/en\\\/produkt\\\/a-history-of-the-navigators-sextant\\\/\",\"name\":\"A History of the Navigator\u2019s Sextant | Kart.no\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/kart.no\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/kart.no\\\/en\\\/produkt\\\/a-history-of-the-navigators-sextant\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/kart.no\\\/en\\\/produkt\\\/a-history-of-the-navigators-sextant\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/kart.no\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/a-history-of-the-navigators-sextant-brown-son-ferguson.png\",\"datePublished\":\"2026-10-29T01:58:35+00:00\",\"dateModified\":\"2026-10-29T04:23:49+00:00\",\"description\":\"A History of the Navigator\u2019s Sextant by C. 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