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Page 61 (caption): Mechanical Interlocking Machine, Erie Railroad and Newburgh & South Shore Railway - 30 Working Levers, 12 Spare Levers |
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| Last updated November 1, 1999 |
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Page 61 (caption): Mechanical Interlocking Machine, Erie Railroad and Newburgh & South Shore Railway - 30 Working Levers, 12 Spare Levers |
| NEXT |
| Special Collections Webmaster |
| Last updated November 1, 1999 |