{"product_id":"vintage-us-navy-compartment-id-plate-2","title":"US Navy Waterline Reference Plate","description":"\u003cp\u003eThis is a U.S. Navy waterline reference plate, marking the 39-foot waterline level inside the ship. It specifically marks the waterline (W.L.) at a certain height. 3\" x 3\"\u003c\/p\u003e\n\u003cul data-start=\"111\" data-end=\"233\"\u003e\n\u003cli data-start=\"111\" data-end=\"183\"\u003e\n\u003cp data-start=\"113\" data-end=\"183\"\u003e\"39 FT.\" → This indicates 39 feet above the keel (baseline).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"184\" data-end=\"233\"\u003e\n\u003cp data-start=\"186\" data-end=\"233\"\u003e\"W.L.\" → Abbreviation for Water Line.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"235\" data-end=\"247\"\u003ePurpose:\u003c\/h3\u003e\n\u003cp data-start=\"248\" data-end=\"472\"\u003eThese brass plates were mounted on bulkheads or structural frames inside naval ships to provide quick reference to shipbuilders, inspectors, and crew about the vertical location relative to the ship’s design waterline.\u003c\/p\u003e\n\u003cul data-start=\"474\" data-end=\"775\"\u003e\n\u003cli data-start=\"474\" data-end=\"635\"\u003e\n\u003cp data-start=\"476\" data-end=\"635\"\u003eThey helped engineers, maintenance crews, and damage control teams know exactly how high above (or below) the waterline a compartment or passage was located.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"636\" data-end=\"775\"\u003e\n\u003cp data-start=\"638\" data-end=\"775\"\u003eEssential in damage control: if a compartment was reported flooded, officers needed to know how close that was to the ship’s waterline.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Maupin","offers":[{"title":"Default Title","offer_id":47271881965783,"sku":null,"price":25.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1501\/8628\/files\/104_4941.jpg?v=1759927395","url":"https:\/\/annapolismaritimeantiques.com\/en-au\/products\/vintage-us-navy-compartment-id-plate-2","provider":"Annapolis Maritime Antiques","version":"1.0","type":"link"}