While the plate is still wet, dip it into a solution that contains ... On the glass plate is a visible negative image. There is a dark coating of silver where light has struck the plate; the ...

Images are developed with wet plate photography’s 19th-century techniques. He says the images – will be exposed on a plate, usually glass or aluminium – used as a negative – during the wet ...

The collodion process, invented by Frederick Scott Archer in 1851, revolutionized photographic printing in the 19th century ...