清代内府五色套印本《劝善金科》成书考

A Textual Research on the Completion of the Five-color Overprinted Version of Quanshan Jinke by the Imperial Household Office of the Qing Dynasty

套印技术是我国古代诸项印刷技术中较为精细、复杂的一种。复色套印工序相较于普通的雕版印刷更为烦琐,颇为耗费人力物力,故多种墨色套印的书籍,只占刻本书籍总数的较少一部分。目前可知,清代内府刻书处武英殿刊有双色套印书籍27种、四色套印本4种、五色套印本2种。