Bilham humidity slide rule for tropics, in case
- maker:
- A G Thornton Limited
Bilham humidity slide rule for tropics, 1940s, by A.G. Thornton Ltd., in case
Details
- Category:
- Meteorology
- Object Number:
- 1995-1896
- Materials:
- wood, ivory, pasteboard and leatherette
- Measurements:
-
box: 39.3 x 5.5 cm
- type:
- slide rule
- credit:
- Meteorological Office