🌐EnglishEnglishDeutschFrançaisNederlandsPolskiSvenskaРусскийEntityQ2637881· pop 14hexodevacuum tube with six electrodes – cathode, anode, and four gridsWikidata factsImageEF8.JPGvia Wikidata · CC0Available in 13 languagesDeutschРусскийArmenianCzechKazakhLatvianMacedonianNederlandsNorwegian NynorskPolskiSerbian