![](https://coimages.sciencemuseumgroup.org.uk/411/852/large_thumbnail_smg00173227.jpg)
![Steel diffusion air pump, 2-stage type G](https://coimages.sciencemuseumgroup.org.uk/461/421/medium_smg00288211.jpg)
Steel diffusion air pump, 2-stage type G., unsigned, Germany, 1915-1925 (see note)
Details
- Category:
- Vacuum Technology
- Object Number:
- 1929-813
- Materials:
- glass, steel (metal) and brass (copper, zinc alloy)
- Measurements:
-
overall: 503 mm x 160 mm x 110 mm, 1.7kg
- type:
- pump - machinery
- credit:
- E. Leybold's Nachfolger