Bilham humidity slide rule for tropics, in case

Made:
1940-1945 in England
maker:
A G Thornton Limited
Bilham humidity slide rule for tropics, 1940s, by A.G

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Bilham humidity slide rule for tropics, 1940s, by A.G
Science Museum Group
© The Board of Trustees of the Science Museum

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