A positive photograph made directly on an iron plate varnished with a thin sensitized film.
A positive photograph made directly on an iron plate varnished with a thin sensitized film.
铁版照相直接在用感光底片上了光的铁盘上制成的相片正像
A positive photograph made directly on an iron plate varnished with a thin sensitized film.
铁版照相直接在用感光底片上了光的铁盘上制成的相片正像