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| | Technical Information Resources Directory, Mohawk & Hudson Chapter, National Railway Historical Society (Site not responding. Last check: 2007-10-13) |
 | | Also find here information on steam, diesel, and electric locomotives, on-train auxillary power systems, electric power distribution systems, brakes, signals, and MU operations: just tons of information. |
 | | Index to the extensive railway signalling resources of Railway Technical Pages |
 | | Additional information may be found at the many sites listed on our links page, especially under |
| www.crisny.org /not-for-profit/railroad/info.htm (396 words) |
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