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| Walthers Model Railroad Mall -- press/1998/otower page |
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Milwaukee, WI: Walthers announces it will release an O/O-27 wooden interlocking tower in September, 1998. In the late 1850s, John Saxby of England designed a machine to operate several turnouts at once. Intended as a cost-cutting device, it had the added benefit of interlocking controls. |
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