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.
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| Format: | eBook |
| Language: | English |
| Series: | Making of the modern world (Goldsmiths'-Kress Library of Economic Literature)
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| Online Access: | Connect to the full text of this electronic book |
| Item Description: | Reproduction of original from Kress Library of Business and Economics, Harvard University. Goldsmiths'-Kress number 21424.16. Electronic resource. |
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| Physical Description: | 31 pages, 4 unnumbered leaves of plates : illustrations, plans ; 23 cm. |