PE, if you have any further info or input on converting Fidelity sheet film holders for dry plates pass it along. I have been trying for quite some time to land a couple dry plate holders that will work in my modern field cameras but no luck so far. As bad as I want to avoid it, it appears I am going to have to come up with a DIY type solution. Do you have any idea what your friend used for the 4 small corner supports?