Photos & Videos Photo of the Day Refined steam

Refined steam

By Faith Finfrock | September 16, 2020

| Last updated on December 16, 2020


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Refined steam

Pennsylvania K4s 4-6-2 No. 5399, built at the railroad’s Juniata shops in 1923, was rebuilt by Lima in 1939 with a front-end throttle and poppet valves to improve performance and efficiency.
Photo by Lima Locomotive Works
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