Humidity slide rule Mk 6, MO 3558/72, by Blundell Rules Ltd of Weymouth, 1972
Details
- Category:
- Meteorology
- Object Number:
- 2004-11
- type:
- humidity slide rule
- credit:
- Meteorological Office, RAF Chivenor
Humidity slide rule Mk 6, MO 3558/72, by Blundell Rules Ltd of Weymouth, 1972