![](https://coimages.sciencemuseumgroup.org.uk/388/729/large_thumbnail_smg00154864.jpg)
Working model showing principle of the heat-pump
Working model showing the principle of the heat-pump
Details
- Category:
- Heating, Cooling and Ventilation
- Object Number:
- 1961-120
- type:
- model
- credit:
- Ministry of Power
Working model showing the principle of the heat-pump