For anyone interested in stone lithography similar to what was used to produce most of the cards we collect there are a couple nice pictures here.
http://www.creativereview.co.uk/cr-b...11/april/tnker
The prep and press are probably very close to how T206s were made. The overall working conditions likely very far removed since it's an art house in 2011 not a busy commercial printer in 1911.
Steve B