4-8-2 1507 by Frisco.org Posted on October 23, 2015 4-8-2 1507 4-8-2 1507 on Train #7, the Bluebonnet, at Shrewsbury, Missouri in 1940 (William K. Barham). This entry was posted in DW Collection, Steam and tagged 1507, 4-8-2, Baldwin Locomotive Works, Bluebonnet. Bookmark the permalink.