Job Description:

• 1) Tends machine that rounds edges of pearl button blanks and forms convex surface on back of blank: Places blanks face down in automatic chucks of feed mechanism that forces blanks against abrasive wheel shaped to produce convex surface.

• 2) May tend convex-grinding machine to form studs on backs of buttons, or to shape button faces.

• 3) May place single blank in chuck of manually controlled convexing machine and pull on leverage bar to force blank against abrasive wheel.