Joe There are a few anomalies between the two photo's, the lantern you mentioned, a pipe by the compressor, and the headlight and rear light are a different shape. The model overall, as a scratch built piece reflects the unique caricature and methodology of the builder, that amounts to a signature, its as unique as an artists brush stroke, and style. I think some improvements where made,and some bits lost in the last 67 years, but I think in my opinion, its unmistakably the same model or at least builder. I always thought 48" for the drivers, but I think Mel Thornburgh says 46" in his article , but the imports wheels where definitely to small. cTr...( Choose the Right )