Historical glasses, spectacle cases, and optical oddities and curiosities from the private collection of Dr. Andrew S. Miller, O.D.
Tin Lithograph
Tin lithography, or offset printing, started in the mid 1850s until it died down around 1930. Some eyeglass cases were made from this process, (which is really tin plated steel), as well as some optical devices. These are extremely hard to find, as the tin and the paint tend to degrade rather quickly.
3 tin lithograph projectors for postcards or photos. Dated between 1904 and 1912.