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A Big Boy! UP 4012, a 4-8-8-4
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interesting piece of art
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A view from the engineer's seat in an Illinois Central steam engine
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The turntable in the restored roundhouse.
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An old mining engine.
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One of the two entrances into the roundhouse.
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Nickle Plate 514, a GP7.
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A look into the fluetube plate. Notice the larger and smaller holes. The larger holes are for superheating tubes as this was a superheat loco, not a saturated loco.
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The purpose of smaller drive wheels is more tractive effort for freight service. Large wheels are for passenger service as this increases the speed of the locomotive.
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