The Pennsylvania Railroad's class AA1 comprised two experimental electric locomotives constructed in 1905 by the company's own Altoona Works with the assistance of …

The Pennsylvania Railroad (PRR) class A1 was a class of 0-4-0 type steam locomotives.

The Pennsylvania Railroad's class AA1 comprised two experimental electric locomotives constructed in 1905 by the company's own Altoona Works with the assistance of …

Jan 14, 2021 · PRR class AA1 10002 was one of two experimental D.C. third-rail units the railroad built when planning the electrification for New York’s Pennsylvania Station, which opened in …

Since they were only intended as test locomotives from the outset, they became small boxcab machines with only four axles. They were built at the PRR's Altoona Works with assistance …

The PRR classified articulated locomotives and joined locomotive units by using multiples of the previous classifications. Non-Articulated steam: 1320 - 2-2-2-0 locomotive, based on the …

These two photos show PRR 930 as built in 1873 (left) and as modified c.1880 to serve as the special engine for the General Superintendent Altoona. It was retired in 1899 and special …

Dec 31, 2019 · Pennsylvania Railroad class I1s 2-10-0 Decapod steam locomotive works its way around famous Horseshoe Curve with a westbound freight train in the 1940s. The train is …

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In addition to in-depth coverage of the development, testing and operation of the class P5, there is a pictorial study of PRR Electrics: > With multiple photos of all classes from the AA1 through …