Photoplotter

A photoplotter is an electro-mechanical-optical machine that exposes a latent image on a media, usually high-contrast monochromatic (black-and-white) photographic film, using a light source under computer control. Once the exposing step is complete, the media is processed in a film processor using a developer solution, along with fixing, washing, ...
Found on http://en.wikipedia.org/wiki/Photoplotter

photoplotter

C omputer controlled equipment used for generating an artwork image on a light sensitive emulsion coated on a stable material, usually plastic film. These artworks are generally the same size as the intended final pattern. See vector photoplotter and Gerber data.
Found on http://www.encyclo.co.uk/local/20870
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