![](https://coimages.sciencemuseumgroup.org.uk/38/769/large_thumbnail_1970_0296__0002_.jpg)
Steel sample showing penetration depth and weld pool of E beam weld by Cambridge Vacuum Engineering
- Made:
- 1996
![Steel sample showing penetration depth and weld pool of E beam](https://coimages.sciencemuseumgroup.org.uk/308/300/medium_smg00044865.jpg)
Steel sample showing penetration depth and weld pool of E beam weld by Cambridge Vacuum Engineering, 1996
Steel sample showing penetration depth and weld pool of E beam weld by Cambridge Vacuum Engineering, 1996