Genealogy

Old Photographs, Part 3 – Timeline

1816: Nicéphore Niépce combines the camera obscura with photosensitive paper.  1826: Niépce creates a permanent image. 1834: Henry Fox Talbot creates permanent (negative) images using paper soaked in […]

Genealogy

Old Photographs, Part 2

Handling Handling photographs requires causing as little undue stress as possible, such as tearing, bending, folding, abrasions, and staining of the surface of the image. […]

Genealogy

Old Photographs, Part 1

Photographs have a base material coated with a light sensitive emulsion. Daguerreotypes use a copper sheet coated with silver. They are displayed behind glass covers […]