A pair of engines wait in the helper pit at Altoona. The F3a is a PRR Class EF15 and the close unit is a Baldwin Passenger Shark BP20 Number 5777, with a BLW designation DR-12-8-3000.
As a westbound freight approaches a signal on the west side of the Monongahela River, passing under the Duquense Incline, my friend the late William Rosenberg waves at me. PRR Class EF45.