. Bulletin - United States National Museum. Science. Figure 39. Haskin's pneumatically driven tunnel under the Hudson River, 1880. In the engine room at top left was the mai hinery for hoisting, generating ele< tricky l"t lighting, and air compressing. The air lock is seen in the wall of the brick shall. Mill model— ; scale. (Smithsonian photo 49260.). Figure 4. MINI RS escaping into the air lock dining the blowout in Haskin's tunnel. PAPER 41: TUNNEL ENGIN1 I RING A Mi 51 I M ikl \l\ll \l 233. Please note that these images are extracted from scanned page images that may have b
. Bulletin - United States National Museum. Science. Figure 39. Haskin's pneumatically driven tunnel under the Hudson River, 1880. In the engine room at top left was the mai hinery for hoisting, generating ele< tricky l"t lighting, and air compressing. The air lock is seen in the wall of the brick shall. Mill model— ; scale. (Smithsonian photo 49260.). Figure 4. MINI RS escaping into the air lock dining the blowout in Haskin's tunnel. PAPER 41: TUNNEL ENGIN1 I RING A Mi 51 I M ikl \l\ll \l 233. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
