A professional who operates machine, similar to typewriter, to impress dots in metal sheets for making braille books, transcribing from prepared copy or original script. Responsibilities include:

• 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.