1.   An interesting development is the direct synthesis of acetic anhydride, used to make cellulose acetate for photographic film base.

2.   Examples used to illustrate the theme included photographic film and a sectioned catalytic converter.

3.   For some purposes, direct output to photographic film is preferable to paper output.

4.   They show up as curved lines on a photographic film.

5.   Kodak is known world-wide and is being used almost as a generic term for photographic film and paper.

6.   Agfa, for instance, adds a layer of conducting polymers to its photographic film to drain away static charge that might otherwise ruin the film.

7.   By carefully arranging mirrors, they could make photons arriving from the routes around both galaxies strike a piece of photographic film simultaneously.

8.   Computers and electronic replacements of old-fashioned photographic film have revolutionized astronomy, but they have also eliminated some of the charms of traditional observatories.

9.   Conventional X-ray machines use photographic film to capture images of bones and internal organs.