| Unidentified photographer Explorer/Photographer, c. 1870, removing collodion wet plate equipment from the pack burro while his assistant sets up the darkroom tent, Hall of Photography, National Museum of History and Technology 1973 Black and white image National Museum of American History, Smithsonian Institution National Museum of History and Technology, 1973, Negative no. 73-4545 LL/46843 The Hall of Photography opened in 1973 and closed in 1992. The National Museum of History and Technology became the Museum of American History in 1980.
| |