OXALIC a.
ch has a strong acid taste, and is poisonous in large doses. It is used in dyeing, calico printing, bleaching flax and straw, the preparation of formic acid, and in salts of lemon for removing ink stains, mold, etc.
PHOTOGRAPHIC; PHOTOGRAPHICAL a.
photographic picture; a photographic camera. -- Pho`to*graph"ic*al*ly, adv. Photographic printing, the process of obtaining pictures, as on chemically prepared paper, from photographic negatives, by exposure to light.