Rettberg 

Rettberg
Bubble Counter

Modified, with cone size NS 14 / 23, DURAN®-glass, for use directly on the apparatus, with threaded socket for filling in oil.
 DescriptionPUOrder No.in Stock 
 Bubble counter15012572-Login / Registration
Accessories:
High-vacuum silicone greases KORASILON / Kurt Obermeier