{"product_id":"ww1-gambrell-brothers-onwoods-patent-wood-moving-coil-galvanometer-serial-no-247","title":"WW1 Gambrell Brothers Onwood's Patent Wood Moving Coil Galvanometer Serial No.247","description":"\u003ch1 data-listing-id=\"750490845\" data-buy-box-listing-title=\"\" class=\"normal break-word mb-xs-2\"\u003eWW1 Gambrell Brothers Onwood's Patent Wood Moving Coil Galvanometer Serial No.247\u003c\/h1\u003e\n\u003cp\u003eIf you collect vintage technology, then this v\u003cspan data-mce-fragment=\"1\"\u003eery nice, genuine, WW1 Gambrell Brothers Onwood's Patent Wood Moving Coil Galvanometer Serial No.247 \u003c\/span\u003eis just for you! \u003c\/p\u003e\n\u003cp\u003eIn very good cosmetic condition with a few surface scuffs and scratches in the wood. It has not been tested and is being sold as a display item only.\u003c\/p\u003e\n\u003cp\u003eMarked:-\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eRES 14 ohms at 20˚C, no.247\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eGambrell Bros Ltd London\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eOnwood's patent\u003c\/em\u003e (1916): the patent was filed for an \u003cem\u003eelectrical measuring instrument- \u003c\/em\u003esee appended schematic.\u003c\/p\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003e\n\u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003eApproximate Meter Size:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eHeight (including connectors):  15.5cm\u003c\/li\u003e\n\u003cli\u003eDepth: 9.7 cm\u003c\/li\u003e\n\u003cli\u003eWidth: 12.8cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eA lovely addition to a vintage technology collection!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eClick on the following link for more\u003c\/span\u003e \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/tests-measures-meters\" target=\"_blank\"\u003evintage testing equipment.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe Gambrell brothers are best known for manufacturing scientific equipment from 1894 prior to introducing radios, including crystal sets, from 1922 and the \"Baby Grand\", (\u003cmeta charset=\"utf-8\"\u003efirst British AC receiver), in 1926. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Gambrell Brothers","offers":[{"title":"Default Title","offer_id":44308818755841,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/DSC08279_62e40ab1-f5f8-41ad-8b6f-e5af8c175d4a.jpg?v=1704556984","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/ww1-gambrell-brothers-onwoods-patent-wood-moving-coil-galvanometer-serial-no-247","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}