Union Pacific 'type' (4-12-2) Production Model

UP	Another comparative view, the foreground 'post-war' version showing it's ATC equipment including unique pilot and the 'pre-war' version in the background. The main cylinders are also unique to each version, the 'post-war' version replicates the new intricately cast cylinders/frame section introduced in later service. Each model has the appropriately numbered builder's plate on it's smokebox.	NEXT