Automatic Track Inspector, by F. Kirby Haskell (2 of 2)
By Michael Gibbons; posted April 14, 2024
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Three Wheeled Railroad Velocipede Inspection Handcar Illustrated World, December 1909, pages 448 to 449. |
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Three Wheeled Railroad Velocipede Inspection Handcar Illustrated World, December 1909, pages 448 to 449. |