Cloud altitude measuring device, portable alidade, 1925-1945

Portable alidade Mark I, British, cloud measuring device, by L

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Portable alidade Mark I, British, cloud measuring device, by L
Science Museum Group
© The Board of Trustees of the Science Museum

Portable alidade Mark I, British, cloud measuring device, by L.N.P. Manufacturing Co. Ltd., England, 1925-1945. Used at Croydon Airfield by the Meteorological Office.

Details

Category:
Meteorology
Object Number:
1995-808
Materials:
brass (copper, zinc alloy), steel (metal), nickel plated, paint and oak (wood)
Measurements:
overall: 65 mm x 255 mm x 270 mm, .375kg
type:
alidade - surveying
credit:
Meteorological Office, Berkshire