Some, particularly those that were extended higher, were called "elephant ears." Their purpose was to lift the smoke above the engine high enough so that it di dnot obscure the enginemen's vision.
Johnny
See the photo at http://www.flyerguide.net/viewphoto.php?id=382182
Note the vertical "fenders" at the front of the locomotive. What were these called, and what was their purpose?
RJ Emery near Santa Fe, NM
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