{"product_id":"u-s-navy-mark-vii-mod-4b-compensating-binnacle","title":"U.S. Navy Mark VII Mod 4B Compensating Binnacle","description":"\u003cp class=\"p1\"\u003eThis is a \u003cspan class=\"s1\"\u003e\u003cb\u003eU.S. Navy Mark VII Mod 4B Compensating Binnacle\u003c\/b\u003e\u003c\/span\u003e, manufactured by \u003cspan class=\"s1\"\u003e\u003cb\u003eE.S. Ritchie \u0026amp; Sons, Inc.\u003c\/b\u003e\u003c\/span\u003e of Pembroke, Massachusetts. This binnacle is a protective housing that holds a ship’s main magnetic compass. This particular one is fabricated from solid \u003cspan class=\"s1\"\u003e\u003cb\u003epolished brass\u003c\/b\u003e\u003c\/span\u003e with its original \u003cspan class=\"s1\"\u003espherical iron compensating balls, coated in copper,\u003c\/span\u003e mounted to either side for correcting magnetic deviation. The interior still contains the large \"Ritchie\" liquid-filled compass card and the heeling and quadrantal corrector mechanisms. A domed brass hood with viewing window protects the compass, while the maker’s plate on the front reads:\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\u003cb\u003eCOMPENSATING BINNACLE\u003c\/b\u003e\u003c\/blockquote\u003e\n\u003cblockquote\u003e\u003cb\u003eMARK VII [N] 48\u003c\/b\u003e\u003c\/blockquote\u003e\n\u003cblockquote\u003e\u003cb\u003eBUREAU OF NAVIGATION\u003c\/b\u003e\u003c\/blockquote\u003e\n\u003cblockquote\u003e\u003cb\u003eU.S. NAVY\u003c\/b\u003e\u003c\/blockquote\u003e\n\u003cblockquote\u003e\u003cb\u003eE.S. RITCHIE \u0026amp; SONS, INC.\u003c\/b\u003e\u003c\/blockquote\u003e\n\u003cblockquote\u003e\n\u003cb\u003e1953\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/blockquote\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis model was standard issue on many mid-century U.S. Navy vessels. The brass body shows typical age-related surface wear and polish marks, with a warm patina that could be left as-is or brought to a high shine. The interior appears complete, including the optical sighting prism and damping system.\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eMaker:\u003c\/b\u003e\u003c\/span\u003e E.S. Ritchie \u0026amp; Sons, Inc. (Pembroke, MA)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDate:\u003c\/b\u003e\u003c\/span\u003e 1953 (per plate)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eType:\u003c\/b\u003e\u003c\/span\u003e Mark VII Mod 4B Compensating Binnacle, U.S. Navy issue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eMaterials:\u003c\/b\u003e\u003c\/span\u003e Solid brass, glass, iron compensating spheres\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDimensions:\u003c\/b\u003e\u003c\/span\u003e Approx. 50–54″ tall, 18–20″ wide across spheres (typical for this model)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCondition:\u003c\/b\u003e\u003c\/span\u003e Very good for age; brass shows polish marks and some surface wear, compass appears intact though function not tested.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease contact us for shipping and delivery options.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Maupin","offers":[{"title":"Default Title","offer_id":47224379441367,"sku":null,"price":17378.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1501\/8628\/files\/IMG_7265.jpg?v=1759416840","url":"https:\/\/annapolismaritimeantiques.com\/en-au\/products\/u-s-navy-mark-vii-mod-4b-compensating-binnacle","provider":"Annapolis Maritime Antiques","version":"1.0","type":"link"}