With Century 5x7 reduction back on 11 1/2" x 11 1/2" x 3/8" plate (see picture). Kodak / Century Reduction back (Hgar Kodak/CenturyReductionBack). Your project. what these were for I do not know?.
This product would be a great fit for photographers looking for a professional-grade, high-quality box camera, particularly if they are interested in vintage cameras and have a specific requirement for reducing the size of larger-format film plates to fit in a smaller frame.
