Collodion process
A term also known as "wet collodion" was invented by Frederick Scott Archer in 1851 52.
The collodion process is an early photographic process which gave way in the late 19th century to today's gelatin emulsion process. It was invented by Frederick Scott Archer in 1848 and developed further by others.
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collodion process
a method of photography where a glass plate is coated with salted (iodized) negative collodion and sensitized by immursion in an acidified silver nitrate solution and exposed in a moist condition.
the exposure times for both the Daguerreotype and Calotype were long, faster exposure times were the next step in the history of cameras. This became a reality with Frederick Scott Archer's Collodion photographs in 1851. The Collodion process reduced ...
They also had to carry a tripod and, in the early years, a dark tent, chemicals and trays for preparation and development of the plates for the wet-collodion process.
 See also: Collodion, Photograph, Image, Plate, Photography
  
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