{"product_id":"vickers-machine-gun-clinometer-sight-mark-iii-gb0047","title":"Vickers Machine Gun Clinometer Sight Mark III","description":"\u003cp\u003eMade in 1918, this sight was used on a WWI Vickers Machine Gun. As the barrel was raised it could be measured against the Clinometer to find the angle of elevation\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eManufactured in 1918 by Troughton \u0026amp; Simms\u003c\/li\u003e\n\t\u003cli\u003eMarked No. 53\u003c\/li\u003e\n\t\u003cli\u003eSpirit level\u003c\/li\u003e\n\t\u003cli\u003eUsed on a WWI Vickers Machine Gun\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Centerfire Systems","offers":[{"title":"Default Title","offer_id":52668925280578,"sku":"GB0047","price":399.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__12348.1697572342.1280.1280.jpg?v=1774274604","url":"https:\/\/centerfiresystems.com\/products\/vickers-machine-gun-clinometer-sight-mark-iii-gb0047","provider":"Centerfire Systems","version":"1.0","type":"link"}