Hi! I'm sort of new to this forum. I'm currently in the process of constructing 'The Philadelphia & Scranton; A Branch of the North East...
Not sure I follow what you mean. A 3 way track switch and controler? Switch machines for switches from the 70's and 80's?
Big Ben according to a Morning Sun book I have on the Rock Island, was bought 2nd hand maybe from the Burlington, by a private party, as I recall....