Complex sentence: He also designed Southern railway (U.S.) Ps-4 class number 1380's streamlined appearance for The Tennessean in 1941,1380 was Southern's only streamlined steam engine.
Split into simpler sentences: He also designed Southern Railway (U.S.) Ps-4 class number 1380's streamlined appearance for The Tennessean in 1941. The 1380 was Southern's only streamlined steam engine.