{"product_id":"vintage-1930s-5-pin-vacuum-tube-top-cap-mesh-radio-tube-tacoma-retest-label","title":"Vintage 1920s Hyvac Screen-Grid Vacuum Tube | Probable Type 224 | 5-Pin","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eA wonderfully atmospheric survivor from the golden age of radio.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBelieved to be a Hyvac Type 224 screen-grid vacuum tube based on the surviving Hyvac logo, five-pin base, top-cap connection and internal mesh construction. Exact tube number is no longer legible, so identification is presented as probable rather than guaranteed\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThis vintage 5-pin vacuum tube dates to approximately the 1920’s-1930s and features a large clear glass envelope, black base, metal top cap and striking cylindrical mesh electrode structure visible inside.\u003cbr\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eOne of its best surviving details is the original paper service label adhered to the glass:\u003cbr\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e“This tube re-tested by West Coast Agencies \u003cspan class=\"s1\"\u003eTacoma, Wash.”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThe label also retains handwritten dealer\/date markings, giving the tube a wonderful bit of authentic working history.\u003cbr\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eAt approximately 4” high × 1” wide, this is a compact piece with a surprisingly sculptural presence. The clear glass, silvered interior and exposed mesh construction make it fascinating from every angle.\u003cbr\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eOriginally made as an electronic component for early radio equipment, today it also makes an especially compelling vintage electronics collectible, scientific display object, curiosity cabinet piece, industrial accent, laboratory vignette or mad-scientist-inspired Halloween decoration.\u003cbr\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eIts authentic age and unusual internal architecture give it exactly the kind of mysterious laboratory character that works beautifully in a collected shelf display.\u003cbr\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eIdentification\u003cbr\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eObject: Vacuum \/ radio tube\u003cbr\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003ePin configuration: 5-pin\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eTop connection: Metal top cap\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eInternal construction: Cylindrical mesh electrode assembly\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eApproximate era: 1930s\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eService label: West Coast Agencies, Tacoma, Washington\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eManufacturer \/ exact tube type: Unconfirmed from surviving markings\u003c\/span\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eMeasurements\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eApprox. 4” high × 1” wide\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eWeight: approx. 1.8 oz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eCondition\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eAuthentic vintage condition with age-related wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eGlass remains intact with light surface marks, spotting and interior silvering consistent with age. Black base shows surface wear and faint hand-applied\/aged markings. Metal pins and top cap show normal oxidation and patina.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eOriginal West Coast Agencies, Tacoma, Washington retest label remains attached, with age toning, creasing, edge wear and handwritten markings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eA partial red-and-white decal remains near the upper glass.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eElectrical functionality has not been tested. Sold as a vintage collectible\/display object rather than as a guaranteed working electronic component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003ePlease review all photographs carefully, as they form an important part of the condition description.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003eEra\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003e1930s\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eStyle\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003cspan class=\"s1\"\u003eIndustrial, Scientific, Machine Age, Early Radio, Curiosity Cabinet, Oddities\u003c\/span\u003e\u003c\/p\u003e","brand":"Hyvac","offers":[{"title":"Default Title","offer_id":54569510371612,"sku":"091526001-015-1300-095","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/2236\/5468\/files\/8C46D8C7-4377-4630-9DDC-7EBDD490C428.jpg?v=1789436047","url":"https:\/\/www.callmeoldfashionedvintageshop.com\/products\/vintage-1930s-5-pin-vacuum-tube-top-cap-mesh-radio-tube-tacoma-retest-label","provider":"Call Me Old Fashioned Vintage Shop","version":"1.0","type":"link"}