Kelpieflyer posted:Excuse my ignorance, but what is a PC and a CR GP38-2?
PC = Penn Central
CR = Conrail
GP38-2 is an upgraded version of the EMD GP38 diesel-electric locomotive.
Fiberglass was developed by Owens-Corning in the mid-thirties, but wide-spread use of it wasn't until the 1950s.