The Bellani spherical pyranometer or rad
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D. L. Gunn; Douglas Yeo; C. D. Ovey
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Article
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1951
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John Wiley and Sons
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English
β 477 KB
## Abstract The need for instruments to measure solar radiation for biological purposes has been cogently argued by Buxton but no entirely suitable instrument has been available. The radiation integrator of the Bellani type has been greatly improved by modern techniques and, with certain further su