{"product_id":"vintage-c-1935-national-union-nu-78-collectors-vacuum-tube-6-pin-radio-pentode","title":"Vintage c.1935 National Union NU-78 Collectors Vacuum Tube | 6-Pin Radio Pentode","description":"\u003cp class=\"p1\"\u003eA striking piece of early radio technology with wonderful industrial character.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis vintage \u003c\/span\u003e\u003cspan\u003eNational Union NU-78 vacuum tube\u003c\/span\u003e\u003cspan\u003e dates to approximately the \u003c\/span\u003e\u003cspan\u003emid-1930s\u003c\/span\u003e\u003cspan\u003e and features a clear glass envelope, six-pin base, metal top cap and highly visible internal mesh electrode structure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe black base is marked:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNATIONAL UNION\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eNU-78\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Type 78 was a \u003c\/span\u003e\u003cspan\u003eremote-cutoff pentode\u003c\/span\u003e\u003cspan\u003e commonly used in 1930s radio receivers for RF and IF amplification. Its exposed internal construction makes this a fascinating collectible not only for radio enthusiasts, but also for lovers of vintage science, industrial design and unusual display objects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt approximately \u003c\/span\u003e\u003cspan\u003e4” high × 1” wide\u003c\/span\u003e\u003cspan\u003e, it has a sculptural, laboratory-like look that works beautifully in a \u003c\/span\u003e\u003cspan\u003ecuriosity cabinet, vintage electronics display, scientific collection, industrial vignette or mad-scientist-inspired Halloween shelf\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdentification\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaker:\u003c\/span\u003e\u003cspan\u003e National Union\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eModel \/ Type:\u003c\/span\u003e\u003cspan\u003e NU-78 \/ Type 78\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eTube Type:\u003c\/span\u003e\u003cspan\u003e Remote-cutoff pentode\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eBase:\u003c\/span\u003e\u003cspan\u003e 6-pin\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eTop Cap:\u003c\/span\u003e\u003cspan\u003e Yes\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eApproximate Date:\u003c\/span\u003e\u003cspan\u003e c.1935\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eEra:\u003c\/span\u003e\u003cspan\u003e 1930s\u003cbr\u003e \u003c\/span\u003e\u003cspan\u003eCountry:\u003c\/span\u003e\u003cspan\u003e United States\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasurements\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eApprox. \u003c\/span\u003e\u003cspan\u003e4” high × 1” wide\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeight: approx. \u003c\/span\u003e\u003cspan\u003e1.4 oz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGood authentic vintage condition with age-related wear consistent with its age.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGlass is intact with light surface wear and minor spotting. Black base retains visible \u003c\/span\u003e\u003cspan\u003eNational Union NU-78\u003c\/span\u003e\u003cspan\u003e markings. Metal pins and top cap show normal age-related oxidation and patina.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElectrical function has not been tested.\u003c\/span\u003e\u003cspan\u003e Sold as a vintage collectible and display object rather than as a guaranteed working electronic component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease review all photographs carefully, as they form an important part of the condition description.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShopify Product Type\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVintage Electronics\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCollection\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVin#53: Midnight Mashup Manor \/ Luna Noire Collection\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEra\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1930s\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStyle\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial, Scientific, Early Radio, Machine Age, Vintage Technology, Curiosity Cabinet\u003c\/span\u003e\u003c\/p\u003e","brand":"National Union","offers":[{"title":"Default Title","offer_id":54569446179100,"sku":"091426004-015-1299-095","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/2236\/5468\/files\/8ACB1A7D-5482-468E-821B-24EACA45D067.jpg?v=1789431634","url":"https:\/\/www.callmeoldfashionedvintageshop.com\/products\/vintage-c-1935-national-union-nu-78-collectors-vacuum-tube-6-pin-radio-pentode","provider":"Call Me Old Fashioned Vintage Shop","version":"1.0","type":"link"}