Perhaps the most famous, classic American OO gauge layout was the Norfolk & Ohio of Carl Appel (more here). The photo below is a portion
One classic OO gauge model is the Scale-Craft 4-8-4. This excellent die-cast miniature of the C&NW class H 4-8-4 was produced 1939-42 with the model
The Nason gondola was introduced in their sixth edition (1940) catalog, where the only text is that the kit is under construction, i.e., not yet