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＜電子ブック＞
A letter from Mr. James Ryan, director of coal mines (late of the Netherton Colliery, near Dudley) on his method of ventilating coal mines : for which he received the gold medal and 100 guineas from the Society for the Encouragement of Arts, Manufactures, and Commerce, Adelphi

出版者	London : Printed for the Society
出版年	1816
大きさ	31 p., [4] leaves of plates : ill., plans ; 23 cm
著者標目	*Ryan, James director of mines
件　名	LCSH:Coal mines and mining -- Safety measures  全ての件名で検索
一般注記	Reproduction of original from Kress Library of Business and Economics, Harvard University Goldsmiths'-Kress no. 21424.16 Electronic reproduction Farmington Hills, Mich. Thomson Gale 2005 Available via the World Wide Web Access limited to licensing agreements s2005 miunns HTTP:URL=http://reo.nii.ac.jp/hss/2000000000232523

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