IN analyzing a ray cf light, if the spectrum be divided into 360 parts, the red will occupy 45 parts; orange, 27; yellow, 48; green, 60; blue, 60; indigo, ...
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https://www.riss.kr/link?id=O135354721
1864년
eng
학술저널
PHP / Historical Periodicals / Feature
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다운로드다국어 초록 (Multilingual Abstract)
IN analyzing a ray cf light, if the spectrum be divided into 360 parts, the red will occupy 45 parts; orange, 27; yellow, 48; green, 60; blue, 60; indigo, ...
IN analyzing a ray cf light, if the spectrum be divided into 360 parts, the red will occupy 45 parts; orange, 27; yellow, 48; green, 60; blue, 60; indigo, 40; violet, 80.
Photography a Detector of Crime
Was Photography known before the time of Niepce and Daguerre?