Although not exactly like pictures we encounter today, tintype photographs set the stage for photography in our era. Tintypes began in 1856 when an Ohio chemistry professor Hamilton Smith patented the tintype image. While not a new concept, the tintype was a combination of earlier experiments in imaging and existing commercial processes. Even though these photographs are known as a ‘tintype’, they are not actually made from tin. During their production in the 1800’s these pictures were were called ferrotype, in reference to the material they were created on; ferrous (AKA iron).
Before tintypes existed, the two main types of photographic images, the daguerreotype and the ambrotype, were created by treating glass with light sensitive collodin. Read more