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Lucifers, a photoelectric radial-velocity spectrometer

โœ Scribed by L. C. Watson; J. B. Hearnshaw; Donna-Maree Ward

Publisher
Springer Netherlands
Year
1994
Tongue
English
Weight
922 KB
Volume
218
Category
Article
ISSN
0004-640X

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## Abstract An instrument which gives a continuous, automatic record of the size distribution of raindrops at ground level is described. The light scattered by the drops in falling through an optically defined area of a light beam is focused on to a photomultiplier cell and the resulting voltage pu