Photos on glass. A historic technique from the mid-19th century known as Wet Plate Collodion Photography. It involves coating a glass plate with a mixture of collodion and chemicals, a bath of silver nitrate, exposing it while still wet, and developing th

Photos on glass. A historic technique from the mid-19th century known as Wet Plate Collodion Photography. It involves coating a glass plate with a mixture of collodion and chemicals, a bath of silver nitrate, exposing it while still wet, and developing th