Читать книгу Tri-nitro-glycerine, as Applied in the Hoosac Tunnel, Submarine Blasting, etc., etc., etc - George M. Mowbray - Страница 4
ILLUSTRATIONS.
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I. | . | ||
II. | at heading, a photograph taken in Tunnel by Magnesium light, 7,760 feet from West Portal. | ||
III. | Stereoscopic view. | Twelve cans after an explosion, | 18 |
IV. | ““ | West End, Hoosac Tunnel, | 28 |
V. | ““ | East End, Hoosac Tunnel, | 39 |
VI. | ““ | Nitro-Glycerin factory, | 43 |
VII. | ““ | ““ interior of converting room, | 46 |
VIII. | ““ | Central shaft, Hoosac Tunnel, | 50 |
IX. | Miners ascending | ““ ““ | 58 |
X. | Bursting of can, whilst conveying Nitro-Glycerin, Hoosac Tunnel, | 66 | |
XI. | Sinking Central Shaft, Hoosac Tunnel, | 74 | |
XII. | Profile of the Hoosac Mountain, shewing progress January 1, 1872, | 80 | |
XIII. | "Stopeing out" enlargement, East End, | 85 | |
XIV. | Driving bench work and dumping from heading, West End, | 90 |
(Photographs taken by L. Daft, operating for Messrs. Thompson & Co., of Albany, the drawings by Assistant Engineers C. O. Wederkinch and G. Lunt, the wood-cuts by Andrew & Son, Boston.)