Permeability Indicator #369, Severn Engineering Co., Annapolis, Md

US $1200

  • Belmont, North Carolina, United States
  • Jun 1st
1 - (used) SEVERN Engineering Co. - Permeability Indicator #369 with (2) 1.6 items and (1) 2.5 item. I have no idea what this is or what it is used for. It may be in perfect condition, but since I don't know what it does, I'm calling it parts. It is an interesting item though.

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