Operates keyboard of machine which selects corresponding matrices of letters from magazines, assembles them in lines and automatically casts a strip of type (slug), for each line.
This group includes compositors, type-setters and photo type-setters not elsewhere classified, for example those who take proofs of set-up type by means of proof presses; impress metal sheets in making braille type; and arrange photo-compose type-film on paper (positive) for reproduction on printing plates.
