Polisher Job Description:

Tends equipment that polishes casein, plastic, or shell buttons: Places buttons in tumbling barrel filled with powdered pumice stone and water, or caustic soda solution. Starts tumbling barrel revolving which causes abrasive to remove tool marks from buttons and to round edges. Dumps buttons from tumbling barrel into open barrel and covers them with hot water. Starts barrel revolving and places specified quantities of sulfuric and hydrochloric acids in barrel to polish buttons. Places buttons in barrel of dry sawdust or ground corncobs to remove residue of acid and give luster to buttons. May tend machines that tumble pearl buttons in bleaching solutions to lighten color.