I found these in the Amarillo Railroad Museum and I don't know what they are.

1.

[attachment=44097]

2.

[attachment=44098]

3.  This appears to be a prototype for a Kadee magnet.  The museum had several of these between the rails.

[attachment=44099]

Tom

the train cars are part of the nuclear weapons transporting train used during the cold war if memory serves me there were white later changed to red because of the white  was
 attracting too many antinuke protester's  , the first car was the guard car.
Jim

Cool! Thanks, Jim.

Tom

here is a link to pic of the trail with a AT&SF engine
https://th.bing.com/th?id=ODL.cdb237fb49...1&pid=13.1
Jim

https://www.warhistoryonline.com/wp-cont...-image.png
this is a better photo

Very cool. Thank you, Jim.

Tom