{"product_id":"rare-1920s-qrs-85-mills-rectifier-tube-with-original-box-q-r-s-redtop-tube","title":"Rare 1920s QRS 85 Mills Rectifier Tube with Original Box Q.R.S. Redtop Tube","description":"\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Arial;\"\u003e(1) 1927 to 1928 Q.R.S. 85 Mills Cold Cathode Tube with Original Box.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003eBrass Pins with a hot stamped base with embossed logo on the bottom.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan\u003eThe base is tight and secure with no looseness.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003eThis tube is untested. Working condition is unknown and is being sold as-is described and pictured so please assume it to be for display only.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003eInteresting history behind the Q.R.S. 85 Mills tube.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan\u003eBecause this filamentless design closely resembled Raytheon's own design, Raytheon filed a patent infringement lawsuit against Q.R.S. in 1927\/28 which was settled out of court. Soon after, Q.R.S. entire tube manufacturing, tooling, patents and inventory was absorbed by Raytheon. This \u003c\/span\u003e\u003cspan\u003erare relic from tube radio's earliest days is a great example of that brief period of time and one that doesn't come along very often.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003eThe box shows wear in various areas throughout as can be seen in the photos. The outer label is faded in spots but still very legible. The top box end is missing the label. Rather than pointing out every scuff and flaw, please take a moment to view all 17 photos. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cb\u003e~ Please view all 17 photos ~\u003c\/b\u003e\u003c\/div\u003e","brand":"Classic Currents","offers":[{"title":"Default Title","offer_id":50607033712895,"sku":null,"price":238.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/5999\/3343\/files\/IMG_6645.jpg?v=1791322299","url":"https:\/\/classiccurrents.com\/products\/rare-1920s-qrs-85-mills-rectifier-tube-with-original-box-q-r-s-redtop-tube","provider":"Classic Currents","version":"1.0","type":"link"}