![](https://coimages.sciencemuseumgroup.org.uk/29/324/medium_thumbnail_1925_0286.jpg)
![Photomultiplier tube, type 9558A, Cat. No](https://coimages.sciencemuseumgroup.org.uk/312/5/medium_smg00031415.jpg)
Photomultiplier tube, type 9558A, Cat. No.22/21 in original packing boxby EMI Electronics Limited, Hayes Middlesex with enclosed invoiced dated 1967. Used at the University Observatory, Oxford.
Details
- Category:
- Astronomy
- Object Number:
- 2001-694
- Measurements:
-
overall (case): 140 x 130 x 250 mm
- credit:
- University of Oxford (Dept of Physics)