Mediums Most Popular MediumsGlass Plate NegativeWet PlateAlbumen on Glass NegativeCollodion-albumen A Albumen on Glass Negative (5) C Collodion-albumen (6) G Glass Plate Negative (8) W Wet Plate (8) Tiber with Castel Sant’Angelo and St. Peter’s BasilicTiber with Castel Sant’Angelo and St. Peter’s Basilic The Nomentano Bridge on Aniene River, RomeThe Nomentano Bridge on Aniene River, Rome