Welsh's slide rule for Mass of air
- maker:
- Adie, Patrick
Welsh's slide rule for Mass of air, made by Patrick Adie, 15 Pall Mall, London, 1869-1885. Scale marked PRESSURE, GRAINS, TEMPERATURE, MASS OF DRY AIR SCALE. on one side, and on reverse MASS OF VAPOUR SCALE
Details
- Category:
- Meteorology
- Object Number:
- 1995-907
- Materials:
- wood
- Measurements:
-
overall: 46.7 x 3.4 cm
- type:
- slide rule
- credit:
- Meteorological Office, Berkshire