Industrial Electronic Engineers
... that Industrial Electronic Engineers' nimo tube contained ten electron guns firing through a number-shaped stencil?
... that <b id="mwyg"><a href="./Industrial_Electronic_Engineers" id="mwyw" rel="mw:WikiLink" title="Industrial Electronic Engineers">Industrial Electronic Engineers</a></b><span about="#mwt23" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`","href":"./Template:`"},"params":{},"i":0}}]}' id="mwzA" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span></span> <a href="./Nimo_tube" id="mwzQ" rel="mw:WikiLink" title="Nimo tube">nimo tube</a> <i id="mwzg">(example pictured)</i> contained ten electron guns firing through a number-shaped stencil?