{"product_id":"sylvania-3j31-vintage-microwave-radar-tube-magnetron-assembly-made-in-usa","title":"Sylvania 3J31 Vintage Microwave Radar Tube \/ Magnetron Assembly – Made in USA","description":"\u003cp\u003e\u003cspan\u003eSylvania 3J31 Vintage Microwave Radar Tube \/ Magnetron Assembly – Made in USA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVintage Sylvania 3J31 microwave radar tube assembly, clearly marked “3J31 – Made in U.S.A. – Sylvania.” Features a substantial glass vacuum envelope, mounting flange, RF coupling\/tuning hardware, and original Sylvania branded metal assembly. This is a specialized microwave-frequency vacuum tube component associated with vintage radar and related high-frequency electronic equipment. Excellent display piece for a radar, military electronics, or early microwave technology collection. Shows expected age and storage wear. Glass appears intact. Untested and sold as-is.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTube Crate #1 – Item #33\u003c\/span\u003e\u003c\/p\u003e","brand":"Whiskey Rebellion Antiques","offers":[{"title":"Default Title","offer_id":43457867645005,"sku":null,"price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9229\/8829\/files\/6F04626D-AA29-4ECE-BB6B-47DBE52508BF.jpg?v=1786393086","url":"https:\/\/whiskeyrebellionantiques.com\/products\/sylvania-3j31-vintage-microwave-radar-tube-magnetron-assembly-made-in-usa","provider":"Whiskey Rebellion Antiques","version":"1.0","type":"link"}