> The drawings in question are now sold by Little Engines who also, on
> a special order basis, offer some of the castings for these 1/2"
> scale Gauge 3 locos. The same basic design and castings could be
> used to build either a 4-6-2, 4-6-4, 4-8-2 or 4-8-4.

the web page is:
http://www.littleengines.com/Half%20Inch%20Scale%20Page.htm

>I scratchbuilt a number of US prototype Gauge 3 freight cars,
> can be seen on my website:
> www.CumberlandModelEngineering.com

very fine models indeed!
best rgrds Chris