Home›Browse›pentagrid🌐EnglishEnglishDeutschFrançaisNederlandsPolskiРусскийالعربيةEntityQ2620762· pop 18· linked from 280 articlespentagridSign in to saveAlso known as heptodevacuum tube with seven electrodes – cathode, anode, and five gridsAvailable in 17 languagesFrançaisDeutschРусскийالعربيةArmenianBulgarianCzechDanishKazakhLatvianMacedonianNederlandsPolskiSerbianUkrainianUzbekvia Wikidata sitelinks · CC0