{"product_id":"1920s-vintage-trumbull-double-pole-double-throw-dpdt-aerial-knife-switch-9-cm-x-5-cm","title":"1920s Vintage Trumbull Double Pole Double Throw DPDT Aerial Knife Switch 9 cm x 5 cm","description":"\u003ch1\u003e1920s Vintage Trumbull Double Pole Double Throw DPDT Aerial Knife Switch 9 cm x 5 cm\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThis amazing piece of electrical history is a White Porcelain 1920s Vintage Trumbull Double Pole Double Throw DPDT Aerial Knife Switch 9 cm x 5 cm. Made by \u003cem\u003eTrumbull Electric Manufacturing Company, Connecticut, U.S.A\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eEtched with:\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e710 \u003c\/em\u003e(switch model)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e12-21\u003c\/em\u003e (Date code)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eTrumbull\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eT within a circle\u003c\/em\u003e makers mark\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in U.S.A\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eIn fair condition for its age: there are scuffs and surface blemishes, nibbles \/ chips in the porcelain (particularly on the base), and black marks which I haven't been able to remove with a gentle damp wipe. The metal (copper) is tarnished.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase Length: 9.2cm \u003c\/li\u003e\n\u003cli\u003eHeight with switch horizontal: 3.2 cm\u003c\/li\u003e\n\u003cli\u003eBase Width: 5 cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA lovely item for collectors of electrical devices or steampunk!\u003c\/p\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/vintage-technology-scientific-engineering-imaging-medical-equipment-instruments-tools\" target=\"_blank\"\u003evintage technology.\u003c\/a\u003e\u003c\/p\u003e","brand":"Trumbull Electric Manufacturing Company","offers":[{"title":"Default Title","offer_id":55448974164343,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/1920s_Vintage_Trumbull_Double_Pole_Double_Throw_DPDT_Aerial_Knife_Switch_9_cm_x_5_cm_2.jpg?v=1752593323","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/1920s-vintage-trumbull-double-pole-double-throw-dpdt-aerial-knife-switch-9-cm-x-5-cm","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}