配方类型：	PHOTOGRAPHY
配方说明：	Glycerin "Sandwich" for Photography
配方组成：
配制方法：	For enlarging a photo from a wet negative, make a glycerin "sandwich," using glass carriers. To do this, a little glycerin goes onn the center of one glass, then the wet negative, then a little more glycerin topped by the other glass. Air bells are removed by squeezing lightly.

返回数据库查询