Herschel type actinometer with spanner by Henry Barrow & Co

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Herschel type actinometer with spanner by Henry Barrow & Co
Science Museum Group
© The Board of Trustees of the Science Museum

Herschel type actinometer with spanner by Henry Barrow & Co., London, 1849-51. Used by Sir Joseph Dalton Hooker in the Himalayas.

Details

Category:
Meteorology
Object Number:
1890-54
Materials:
glass, alcohol, mahogany (wood) and brass (copper, zinc alloy)
Measurements:
overall: 57 mm x 90 mm x 715 mm, 1.455kg
type:
actinometer
credit:
Thiselton-Dyer, W.J.