
Tin type photos, also called ferrotypes, were popular from the 1850s to the 1930s. They are generally small and printed on metal. They are monochrome, black and white or dark brown and white, though there many not be any true white areas left due to aging. You can clean them with soapy water, but make sure you dry them thoroughly afterward. Digital photo editing techniques provide many ways to improve on the image quality of any of these photos that...