Chairman Board of Examiners, Internation
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Article
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1885
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Elsevier Science
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English
โ 443 KB
The original scheme of committee work divided observations of electric lamps among four different sections, known respectively as the sections on "Arc Lamps," "Carbons for Arc Lamps," "Incandescent โข I" Lamps." and "Photometric Measurements." As the membership of all these sections was the same, it