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The Theory and Practice of Lettering, Designed for the Use of Engineers and Draftsmen Generally But Especially for the Use of Students in Engineering
Christopher Elias Sherman
出版Lawrence Press Company, 1897
URLhttp://books.google.com.hk/books?id=mG0FqqoRdQcC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN