Hoosac Tunnel--central shaft, driving gear of 7 in. pump, system c
| Title: | Hoosac Tunnel--central shaft, driving gear of 7 in. pump, system c |
| Author: | Hurd, W. P. |
| URI: | http://hdl.handle.net/2452/48630 |
| Date: | 18?? |
Files in this item
| Files | Size | Format | View |
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| ocn496810829.jpg | 13.49Mb | JPEG image |
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