Two 1860s Gem Tintypes Associated with Simon Wing
A Closer Look at: Daguerreotypes, Ambrotypes, Tintypes and Cartes de Visite
Dear Science: Why is everything backward in a mirror?
Dry plate tintypes vs wet collodian
Tintype from negatives
Collecting Tintypes: 19th c. Antique Vintage Victorian Old Photographs
Antique Images, Daguerreotypes, Ambrotypes, Tintypes, Camera Obscura (1840
They both are dark in appearance and hard to delineate from each other.