( n. )
A positive picture produced with sensitized collodion on a smooth surface of black varnish, coating a thin plate of iron; also, the process of making such a picture.
( n. )
A positive picture produced with sensitized collodion on a smooth surface of black varnish, coating a thin plate of iron; also, the process of making such a picture.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012