Dating tintype photographs
Around the world, there are innumerable photographs of people, of ancestors, who are unidentified by name and date.Whether on a desk, in a drawer or closet, stuffed in envelopes, photo albums or stacked in a box, these images are waiting to be identified. He seems to be on a one-man mission to provide every detail a genealogist will need to identify, date, and restore old photographs of virtually every type and in a way to make the process as easy as possible.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.Once it was dry, albumen prints were used just like salted-paper prints and the image would form by the darkening properties of the sun on the chemicals.Most of the surviving photographs from the 19th century are on albumen paper.The following common types of vintage photos, their photographic processes and characteristics could help you positively identify some of your long-lost ancestors.The daguerreotype was created by Louis Jacques Mande Daguerre and is known by photography experts as the first practical form of photography.
These images are treasures for both their increase rarity and for their personal value to the family historian.
Photo above is an albumen print of an unidentified confederate Civil War soldier. Albumen prints were often mounted on cardboard carte-de-viste (CDVs).