A cryopumping system with two cryogenic
โ
G Messer; W Schulze
๐
Article
๐
1970
๐
Elsevier Science
๐
English
โ 693 KB
## I I 1" 5 2-0 T,K Figure 2. Calibration of the Allen-Bradley resistor type BB in the temperature regions of the onset points of the wonderstone superleaks that is, to fill the cell shown in Figure and to keep the He II inside the cell. Table 2 Sample Onset point, K Natural 2.05 Half-hard 2.12