Daguerreotype

Portable Camera Obscura, 1800s. Goethe Nationalmuseum, Weimar, Germany.
What You Don't Know About the World’s Oldest Photograph
Not the most impressive at first glance, Joseph Nicéphore Niépce's photograph from the window at Le Gras, with its blurred shadow-shapes of trees and buildings, was integral to the development of…
old image of Capitoline Lion in the Roman Forum
Conserving One of MoMA's Oldest Photographs
Tarnish is slowly engulfing one of the oldest objects in MoMA's collection, a daguerreotype from 1842.
Bayard
Why this photography pioneer faked his own death
In 1839, Hippolyte Bayard invented photography. And nobody cared.