|Silver-plated sheet of copper||Daguerreotype||1839 – c. 1860||Mirror surface; positive-negative nature; usually housed in a miniature case made of wood covered with leather, paper, cloth or mother of pearl; and/or made of thermoplastic material. Tarnish can form on support.|
|Glass||Ambrotype||1851 – c. 1880||Milky gray highlights; various black backings, occasionally use ruby glass; usually housed in a miniature case. (See daguerreotype for description.)|
|Iron, coated with a black varnish ("Japanned surface") containing
raw linseed oil, asphaltum and pigments
... new fund to be restored!!! surrounded by good intentions.
|Tintype, ferrotype, melainotype||1854 – c. 1930s||Milky gray highlights, lack of contrast in image. Rust can form.|
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