28
28: Clearly visible on this version of the Dalman Two
Level truck are the seats and rollers of the Barber Lateral
Motion device between the bolster and springs.
29
29: The Dalman One Level truck worked exactly like the
Two Level Dalman, but the spring seats were all at the
same level instead of being "stepped."
late 1920s and early 1930s. The Dalman arrangement was
even applied to Andrews trucks; cars of a few railroads, nota-
bly the Great Northern and Seaboard Air Line, were equipped
with Dalman-Andrews trucks in the 1920s (30).
index
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