Fig. 6
From: When superfluidity meets superconductivity in the extraction of 3He isotope from liquid helium
Schematic presentation of the rectification column. The temperature of the copper part is stabilized by the flowing liquid helium with the temperature at the level of 1.5 K. 3D model created in Autodesk Inventor Professional 2018 (https://www.autodesk.com/products/inventor/overview).
