Banquet photography with... banquet camera - New York Times story
".... After five hours of preparation, Mr. Gruber was putting the finishing touches on the creation of a single, 12-by-20-inch black-and-white group portrait known in its heyday as a banquet photo. Most popular in the late 1880s, when Mr. Gruberís banquet camera was made, until the late 1960s when it began fading from vogue, the large group photo all but vanished in a Nikon nanosecond. ....
(Apologies if this has already been posted. I did do a search...)