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Portable photoelectric daylight factor meter
Practical conditions controlling accuracy of measurement of daylight factor; simple portable meter, incorporating two rectifier photoelectric cells, described; direct range of daylight factor measurable by meter is from 0.03% to 2.5%.
Portable photoelectric daylight factor meter
Practical conditions controlling accuracy of measurement of daylight factor; simple portable meter, incorporating two rectifier photoelectric cells, described; direct range of daylight factor measurable by meter is from 0.03% to 2.5%.
Portable photoelectric daylight factor meter
J Sci Instruments
Barnard, G.P. (author)
1936
12 pages
Article (Journal)
Electronic Resource
English
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