Reddish colors that by association with common objects (fire, sun,
and so on) give an impression of warmth.
aid: A chemical solution
used between fixing and washing film or paper. It shortens the
washing time by converting residues from the fixer into forms more
easily dissolved by water. Also called hypo-neutralizing (or clearing)
process: A photographic
process in which a glass or metal plate was coated with a collodion
mixture, then sensitized with silver nitrate, exposed, and developed
while the collodion was still wet. It was popular from the 1850s
until the introduction of the gelatin dry plate in the 1880s.
agent: A chemical solution
used after washing film. By reducing the surface tension of the
water remaining on the film, it speeds drying and prevents water
light: A mixture of all
wavelengths of the visible spectrum. The human eye sees the mixture
as light that is colorless or white.
lens: See short
solution: A chemical solution
diluted to the correct strength for use.