Here's a beautiful, uncommon and unusual sliding box wet plate camera manufactured in the early 1870's by R. The camera comes with its original Ross lens and its original repeating back, as well as its original extension box for close-up photography. There was no wet plate holder with the camera when I got it (just the repeating back), so I set it up with a Thornton Pickard dry plate holder, which fits the back perfectly and appears to have been made using the same type of mahogany.
I suspect the Thornton Pickard plate holder can be modified for use with collodion-covered ...