Dewars, 50-litre

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This article is about a tool that is no longer at Protospace. It was removed by unknown/general members on/in Fall 2015 because they were leaky.
Replacement tool(s): None, though Ian O. might try to build a small one at some point.
  • Name: Dewars
  • Make/Model:  ??
  • Serial Number:  ??
  • Original Owner: Shannon H
  • Loan Status: Donated to Protospace
  • Arrival Date: Aug 2012
  • Removal Date: Fall 2015
  • Location: Shelves under projector screen in Bay 108
  • Functional Status: Unknown, possibly broken (see Repair Notes)
  • Usage Permissions: Open to Members & Friends
  • Certification: Self-Taught
  • Wiki ID: [[{{{id}}}]]


  • 50L each
  • Vacuum sealed (giant thermos)
  • Suitable for liquid nitrogen storage

Repair Notes

  • James filled one with LN2 several days prior to Makerfaire 2012, LN2 evaporated in 2 days. Possible vaccuum seal leak.
  • Other units untested