Photography, Portraiture

A new style of portrait, introduced in Paris by Andr�-Adolphe-Eug�ne Disd�ri in 1854, was universally popular from 1859 onward. It came to be called the carte de visite because the size of the mounted photograph (four by 2 1/2 inches) corresponded to that of a calling card. Disd�ri used a four-lens camera to produce eight negatives on a single glass plate. Each picture could be separately