Portrait of a girl, tinted photographic postcard, c 1905.
© National Media Museum / Science & Society Picture Library
These photographs, mas printed on bromide paper, were usually coloured by tinting through stencils cut out for each colour. Photographic postcards of well-known actreses and attractive young women were particularly popular with the public during the first decades of the 20th century, selling in large numbers. Bromide paper was a photographic printing paper coated with silver bromide emulsion, invented in the 19th century by the English chemist and physicist Sir Joseph Wilson Swan (1828-1914).