

Steel diffusion air pump, 2-stage type G., unsigned, Germany, 1915-1925 (see note)
Details
- Category:
- Vacuum Technology
- Object Number:
- 1929-813
- Materials:
- brass (copper, zinc alloy), glass and steel (metal)
- type:
- pump - machinery
- taxonomy:
-
- furnishing and equipment
- tools & equipment
- pumping machinery
- credit:
- E. Leybold's Nachfolger