Quote Originally Posted by Eugen Mezei View Post
Would it work if I get the existing plate to a glass shop and let them cut two other such glass plates from glass of the same thicknes? I could, I hope so, fit the film above this plate in the holder.
You may struggle to find anyone that stocks glass that thin. I have a vintage plate camera and the holders have been "adapted" to use sheet film. The adaptor is nothing more than a sheet of melamine type material painted matt black on one side.