Now lets be careful here. We cannot all "descend" on the place en masse. Elsewise they'll have to do to this DR what they do with the Lauscaux (sp?) Cave and create a "re-creation" for visitors!
I agree with Roger going in first. A picture of him at the chair will look contemporary to 1855!
Great find, great fun - what a treat. Do you think that 150 years from now they'll find a "preserved lightroom" containing a PC loaded with PS?