Electron Tubes are items from Forestry crafted in a Thermionic Fabricator using Molten Glass they are used when crafting Forestry Farm Machines and also when upgrading Forestry items.

Types of Electron TubesEdit

Electron Tubes come in six different variates:

  • Copper
  • Tin
  • Bronze
  • Iron
  • Golden (Gold)
  • Diamantine (Diamond)

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