Cabinet
prints were popular from the late 1860s until around 1900. They
consisted of photos measuring about 4" x 5.5",
mounted on trade cards measuring about 4.5" x 6.5".
Cartes
de visite were popular from the 1850s until around 1900. They
consisted of photos measuring about 3.5" x 2.25", mounted on trade cards
measuring about 4" x 2.5".
From
early years of the 20th century
studios began to produce portraits on post cards, rather than the
slightly larger, more substantial Cabinet Prints that had been mounted
on thick card in earlier years.
David
Octavius Hill and Robert Adamson produced many thousand calotypes from
their studio at Rock House, Calton Hill, 1843-1847. Here are a
few of their images: