I think this page of the somewhat pretentiously called "The Foundation for the Preservation of American Culture", as seems to have been setup specifically for this project, is the most interesting one:

http://thefpac.org/videos.html

Note also the actual travel camera does NOT have a functional groundglass back, instead, the ground glass and negative stage are inside the bellows, where the photographer will be, and the fake ground glass on the back seems to be used as live electronic plasma display showing what is going on inside the bellows...: