Reply to "American Flyer Prewar Hudson variations 1680 / 447"

Tinplate ArtOGR Forum Member DIGITAL SUBSCRIBER

As I remember from my high school foundry class where we made cope and drag sand molds, such castings from them required much finishing machining. Pressure die casting with zinc alloys was probably a more refined and proven process at that time.

7/5/2010:10 AM

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