Sorry I missed the follow-ups.
Chuck, good question on how the horn worked, and I wish I had the answer. I did a little Googling to see if I could find something to refresh my memory, but I struck out. I do remember the notation came from a binder of reference material I borrowed from Andy Jugle, a friend of mine and follower of the Freedom Train. (Andy, along with a few others, had the FT produced in American Flyer years ago.) Beyond the mention of the train's horn playing the first few measures of the National Anthem, we took it from there. "O say can you see" requires only 4 different notes, and we guessed that was a reasonable thing for 1940's technology to replicate. How it was done with a single-note horn is beyond me -- and I suppose it's possible that it was nothing more than a little PR hype.
Sam, thanks for your comments. Personally, I thought the set was a real stand-out, but it just didn't resonate in the marketplace. A LOT of work went into its creation - custom artwork and fonts for EVERYTHING, unique "blanked window" tooling for the exhibit cars, delicate but durable etched-brass plaques, etc. And SandaKan absolutely knocked it out of the park on producing what we wanted.
Ron, I'd love to see the layout photos someday. I think you're right in that the set could be a great centerpiece. As an aside, it wasn't until about two years ago, while visiting a friend and his train collection, that I saw the loco and all seven cars displayed together. (We never had the luxury or space to do such things while at work.) It reminded me that we did some really nice things during that time!
Regards,
Todd