Apparatus for measuring the brightness of the night sky and box containing 10 light filters

Apparatus by the 4th Baron Rayleigh for measuring the

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Apparatus by the 4th Baron Rayleigh for measuring the
Science Museum Group
© The Board of Trustees of the Science Museum

Apparatus for measuring the brightness of the night sky (by comparison with fluorescent light excited by radiations from a uranium sample) with a box containing 4 large light filters and 6 small light filters, by Robert John Strutt (4th Baron Rayleigh), England, 1900-1939

Details

Category:
Astronomy
Object Number:
1969-307
Measurements:
overall: 220g
type:
equipment
credit:
Lord Rayleigh (5th Baron)