🌐EnglishEnglishFrançaisPolskiPortuguêsTiếng ViệtРусскийالعربية한국어中文EntityQ1194020· pop 16· linked from 96 articlesMagnetic lenslens for charged particlesConnectionselectronEntityInternational Standard Book NumberEntityCategoriesAccelerator physicsCathode ray tubeElectromagnetic coilsTelevision technologyTypes of magnets