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A Triplet of Inventions, consisting of a description of a nocturnal or diurnal telegraph; a proposal for an universal character; and a scheme for facilitating the progress of science, exemplified in the osteological part of anatomy

出版	R. Trewman&Son, 1796
URL	http://books.google.com.hk/books?id=00xiAAAAcAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN