@MELGAR posted:Is the same fellow still demonstrating the bridge every half hour? As I recall, he had been a field service rep for Pratt & Whitney Aircraft engines and was one of the most senior members of the New Haven modeling society.
MELGAR
My guess is Yes.
When I saw it yesterday at 4:30 and started asking questions the comment was there is a guy that is the "expert" on this. They said if I came back tomorrow, earlier in the day, he would be demonstrating it. The comment was he can go on and on about it for 20 minutes.