1916年11月4日

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幻灯机和电影放映设备的测光方法

作者：J. A. Orange

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SA Supplements Vol 82 Issue 2131suppThis article was originally published with the title “Photometric Methods in Connection with Magic Lanterns and Moving Picture Outfits” in SA Supplements Vol. 82 No. 2131supp (), p. 303
doi:10.1038/scientificamerican11041916-303bsupp
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