혜강 최한기

[[http://www.ssza.co.kr/resource/resource.php?mode=list&tb=resource&board=old&page=2&idx=44|싸자 옛글 자료실]]

[[http://www.koreanhistory.or.kr/cgi-bin/mi/mi_k_list.cgi?cdep=bk&clas=01&cbook=mkb0000004|신기통 전문]]

see also [기측체의]
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[책분류]