Heliography

The home of Nicephore Niepce in Chalon-sur-Sa'ne

Niepce and Daguerre exchanging ideas on photography

Protestant Reformation 1517 - 1648, Leipzig Debate

Stephan, Heinrich von, 7.1.1831 - 8.4.1897, German

Ney, Elizabeth, 26.1.1833 - 29.6.1907, German

Preseren, France, 3.12.1800 - 8.12.1849, Slovenian

Rudolf, Crown Prince of Austria-Hungary

Krasinski, Zygmunt Count, 19.12.1812 - 23.2.1859

World War I, German officers of the Todeskopf ?

Portrait of Claude Debussy, 20th century, heliograph