What are the advantages and disadvantages of "Carlo" photography compared with "Silver Plate"?

Although the image quality of "Carlo" photography is not as good as that of "silver plate method", it can repeatedly print positive images from negative images, use paper-based coated photosensitive materials, and improve the image quality through improved technology. The exposure time of "Carlo" photography is about 5 minutes, so it can only shoot static objects and landscapes, with clear details, realistic texture of objects and natural picture and composition.