- Item type
- Object
- Makers
- Mellor, Bromley & Co.
- Inventory No
- 42624
Description
Circular plastic device with rotating disc.
Ready Reckoner for Relative Humidity, for Mellor, Bromley & Co., Leicester, c. 1968
Inventory Number 42624
Acknowledgement: © History of Science Museum, University of Oxford, inv.42624