There are 3 different locations for the getter pumps:
Each location requires a slightly different getter pump, but all the getters are roughly the same size.
Height = 2.25 to 3 inches (5.715 to 7.62 cm)
Diameter = 1 or 1.2 inches (2.54 or 3.048 cm)
Object of comparable size: The getter pumps are about one-third to one-half the length of a pen and about the same diameter as a bottlecap.
For a more detailed explanation, click here
For a list of companies that supplied major parts or important services for Huygens' GCMS, click here.