{"product_id":"vintage-trumbull-porcelain-aerial-knife-switch-single-pole-single-throw-spst-9-8-cm-x-3-5-cm","title":"Vintage Trumbull Porcelain Aerial Knife Switch Single Pole Single Throw SPST 9.8 cm x 3.5 cm","description":"\u003ch1\u003eVintage Trumbull Porcelain Aerial Knife Switch Single Pole Single Throw SPST 9.8 cm x 3.5 cm\u003c\/h1\u003e\n\u003cp\u003eThis amazing looking piece of electrical history is a Vintage Trumbull Porcelain Aerial Knife Switch Single Pole Single Throw SPST 9.8 cm x 3.5 cm.  Made in Connecticut, U.S, by the \u003cem\u003eTrumbull Electric Manufacturing Company.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThere are a few scuffs and surface blemishes but it's in very good condition for its age with a few nibbles in the porcelain and the copper is tarnished.\u003c\/p\u003e\n\u003cp\u003eThe knife switch is marked:\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eT within a circle\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e708\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eTrumbull Battery\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSwitch\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePat. May 18 1909\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase Length: 9.8cm \u003c\/li\u003e\n\u003cli\u003eHeight with switch horizontal: 3.5 cm\u003c\/li\u003e\n\u003cli\u003eBase Width: 3.5 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":43878286328065,"sku":"","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/DSC06516.jpg?v=1683635059","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/vintage-trumbull-porcelain-aerial-knife-switch-single-pole-single-throw-spst-9-8-cm-x-3-5-cm","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}