TM Terry posted:dkdkrd posted:If this is a GG1,
Wouldn't this, then, be a G1??
Maybe more correctly, a G1/2 (G one half).
Since the "G" classification in PRR terminology stood for a 4-6-0 wheel arrangement, that photo of half of a GG1, would then indeed be a "G1". One "G" being half of a "GG1".