![](https://coimages.sciencemuseumgroup.org.uk/42/398/large_thumbnail_1978_0334__0002_.jpg)
Germanium resistance thermometer
- Made:
- 1900-1982 in Oxfordshire
- maker:
- Oxford Instrument Company
Germanium resistance thermometer, type CR50, with calibration chart; for use below 0.3 deg K (resistance 40 to 60 ohms at 4.2 deg K)
Germanium resistance thermometer, type CR50, with calibration chart; for use below 0.3 deg K (resistance 40 to 60 ohms at 4.2 deg K)