论文信息 - Notes on the measurement of natural illumination

Notes on the measurement of natural illumination

The question of introducing systematic measurements of natural illumination into the operational commitments of the Radiation Service of the South African Weather Bureau received serious attention first during 1954. As a result of a planned programme of laboratory investigation, two new types of recorder were developed for the measurement of diffuse skylight as well as of the total hemispherical daylight. Altogether three instruments were constructed in the Weather Bureau workshop; these were brought into continuous operation on January 1, 1955.

A. J. Drummond | A. Drummond

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