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The locomotive that could climb nearly vertical tracks

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Looking like it was assembled by a wildly intoxicated blacksmith, the Shay locomotive shoved its boiler entirely to the left to make room for exposed gears on the right. It topped out at a pathetic walking pace, but this geared mechanical freak could drag thousands of tons of freshly cut redwoods up nearly vertical, terrifyingly uneven logging tracks without slipping.

The locomotive that could climb nearly vertical tracks
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