Dating tintype photographs

His 30 years of experience in digital imaging brings a unique and thorough understanding of photograph problems and how to solve them.

Clark introduced Photo to genealogists and collectors in 2000, and he continually expands the free information with a gallery of over 1,000 images, weekly case studies, and historical information about 19th century photographs.

Daguerreotypes were produced on a thin copper metal support that had a polished coating of silver that was mirror-like.

Daguerreotypes were sealed in glass for protection.

This is a lot of ground to cover, but Gary seems well on his way.

So far his books and guides include: Three Kwik Guide Books: .

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Most of the surviving photographs from the 19th century are on albumen paper. Characteristics of the photograph itself provide clues to its age. Could the photograph(s) be of her sisters, parents, or cousins? You may not have much oral history in your family or a large extended family to ask. You can still have options for determining the date or age of a photograph.In America, daguerreotypes were often placed in hinged, wooden cases with paper or leather coverings.Image shown here is a daguerreotype of Bernice Pauahi before marriage from 1849/50. In 1841, William Henry Fox Talbot patented the process of salt printing — the first photographic process that used sodium chloride to make photos more light-sensitive.

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