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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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.

Bibliographic Details
Main Author: Ryan, James, director of mines
Corporate Author: Making of the Modern World
Format: Online Book
Language:English
Published: London : Printed for the Society, 1816
Subjects:
Access:Full text online
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