Featuring the cathode-ray tube Linotron 505 for high-speed film typesetting. Although this is a film machine, the input is still controlled by perforated tape. The film features many interesting line diagrams on how the CRT machine works and exposes the characters onto paper or film. It goes into great depth about the optical grid system of characters on glass plates.
Originally produced for the Mergenthaler Linotype Company by Franz Edson, Inc. Digitized by printingfilms.com