This is a collection of Carte De Viste.
carte de vis ite: An albumen print measuring 2-1/2" by 3-1/2" mounted to a card measuring 2-1/2" by 4".
Popularized by Andre-Adolphe-Eugene Disderi ( France)
Peak Years 1859-1866
al bu men print:
A positive print produced from a glass negative on paper coated with egg whites.
Sensitizing agent: silver nitrate;
Developing agent: pyrogallic acid.
Wet plate negative invented by Frederick Scott Archer(Britain).
Albumen print invented by L.-D. Blanquart-Evrard(France)
Peak years 1860-1890