What is (a) Formerly, the person who took the printed sheets from the press. (b) A vibrating frame with fingers, attached to a power to a power printing press for doing the same work called?

fly — (a) Formerly, the person who took the printed sheets from the press. (b) A vibrating frame with fingers, attached to a power to a power printing press for doing the same work. (Webster's 1913.)

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