Originally Posted by Steve S
The Lens is a " Dopp Anastigmat serie IB Celor F= 210mm 1 : 5,0 Pat C P Goerz Berlin No 230258"
Because the lens focal length is in millimetres I believe this is probably pre 1914.
I'm not sure why you think they didn't use millimetres after 1914, but this list suggests you're not far off: http://www.largeformatphotography.in...09&postcount=4
Is it made of wood? It looks homemade.