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Researches on Light; an examination of all the phenomena connected with the chemical and molecular changes produced by the influence of the solar rays embracing all the known photographic processes and new discoveries in the art

出版	Longman, Brown, Green, and Longmans, 1844
URL	http://books.google.com.hk/books?id=Ze4IXwSV3TsC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN