The Pennsylvania Railroad's T1 duplex steam locomotive is perhaps the most eye-catching, and the most controversial ever created. Engineers at the Pennsylvania Railroad (PRR) and at Baldwin Locomotive Works created a quite complex solution to building a reciprocating steam locomotive with enormous power and the ability to cruise at
![Avatar](https://cdn.statically.io/img/i.pinimg.com/140x140_RS/3c/4f/ba/3c4fba42800386d72aa8c98d147ebc25.jpg)
larry leiter