{"product_id":"wwii-era-u-s-navy-mk-viii-mod-3-boresight-telescope-in-fitted-wooden-case","title":"WWII Era U.S. Navy Mk VIII Mod. 3 Boresight Telescope in Fitted Wooden Case","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAn authentic U.S. Navy \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMark VIII Mod. 3 Boresight Telescope\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a specialized optical instrument used for the alignment and calibration of naval guns, fire-control systems, and sighting equipment. Constructed of brass with precision adjustment controls, this instrument represents the sophisticated optical technology employed aboard U.S. Navy vessels during the World War II and early Cold War periods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe telescope is housed in an attractive fitted wooden case with felt-lined supports and a mounted identification diagram illustrating the instrument's controls and operation. Military markings remain visible on the body, including the designation \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e\"Mark VIII U.S.N. Mod. 3.\"\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnlike conventional telescopes designed for observation, boresight telescopes were precision alignment instruments used by naval ordnance personnel to ensure that optical sights and weapon systems were accurately calibrated. Surviving examples are increasingly sought after by collectors of naval history, military optics, scientific instruments, and maritime antiques.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eTelescope: Approximately 10\" Long\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCase: 17\" L × 4.25\" W × 3.5\" H\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eAuthentic U.S. Navy Mark VIII Mod. 3 Boresight Telescope\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeavy brass construction with original patina\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision adjustment screws and focusing controls present\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVisible internal reticle\/crosshair\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFitted wooden storage and display case\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdentification and adjustment diagram mounted inside lid\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent display piece for naval, military, or maritime collections\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eVery good condition. Brass surfaces display expected age-related wear and patina consistent with military use and age. Adjustment controls remain present and functional. Internal reticle\/crosshair is visible when viewed through the eyepiece. Optics appear largely intact, though no formal optical testing has been performed. The wooden case presents well with minor wear from age and storage. Please review photographs carefully for complete condition details.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eHistorical Note\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBoresight telescopes were critical maintenance instruments used aboard naval vessels and in shipyards to align fire-control equipment and gun systems. These specialized optical devices played an important role in maintaining the accuracy of naval artillery during the mid-20th century and are now prized as artifacts of military engineering and maritime history.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA scarce and highly decorative piece of U.S. naval technology that displays exceptionally well and would make an outstanding addition to any military, maritime, or scientific instrument collection.\u003c\/span\u003e\u003c\/p\u003e","brand":"Annapolis Maritime Antiques","offers":[{"title":"Default Title","offer_id":48757482520791,"sku":null,"price":895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1501\/8628\/files\/image5_3095bdd6-d8cc-40d3-b3b5-09e738152c1c.jpg?v=1781027201","url":"https:\/\/annapolismaritimeantiques.com\/products\/wwii-era-u-s-navy-mk-viii-mod-3-boresight-telescope-in-fitted-wooden-case","provider":"Annapolis Maritime Antiques","version":"1.0","type":"link"}