Establishments primarily engaged in manufacturing: (1) photographic apparatus, equipment, parts, attachments, and accessories, such as still and motion picture camera and projection apparatus; photocopy and microfilm equipment; blueprinting and diazotype (white printing) apparatus and equipment; and other photographic equipment; and (2) sensitized film, paper, cloth, and plates, and prepared …
Examples: Aerial cameras, Blueprint cloth or paper, sensitized, Blueprint reproduction machines and equipment, Brownprint paper
