Operates machine, similar to typewriter, to impress dots in metal sheets for making braille books...
Operates machine, similar to typewriter, to impress dots in metal sheets for making braille books, transcribing from prepared copy or original script: Inserts metal sheet into machine carriage. Depresses one or combination of keys to form braille letter. Depresses pedal that forces punches to impress on metal sheet combinations of dots that distinguish braille letters. If worker is blind, transcribes from recorded rather than manuscript copy.