The National Archives Podcast Series

The National Archives

Government & Organizations, National

Chart Positions

National 19
Government & Organizations 52

Listen to talks, lectures and other events presented by The National Archives of the United Kingdom.


Watch the birdie and say 'cheese'

February 14th, 2008

Episode 34 of 474 episodes

Conservator Stephen Harwood looks at the invention and development of photography, describing all the major photographic processes and explaining how anyone can identify different photographic types from the earliest photogenic experiments to today's sophisticated gelatine-silver prints.