![](http://www.alamy.com/thumbs/6/AFBF832C-14E7-4044-992C-54EFEB75F7D8/J5YCMC.jpg)
electron tube
Size: 3648px × 2736px
Photo credit: © Twilight_Art_Pictures / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: anode, anthracite, cathode, electrode, electron, gas, glasrohr, hochvakuum, honeycombs, lochblech, metal, pc88, radio, rhrenradio, sheet, tube, tubes, tuner, tungsram, vacuum, valve