http://gfv1929.blogspot.com/2008/08/tintype-studio.html
Info from Greenfield village site. Below are clips of the article at the link.
Without a doubt, the last building Ford added before the October 21, 1929 grand opening of Greenfield Village was the replicated Tintype Studio. It was designed to look like a studio from the 1870's and 1880's.