A professional who maintains electrolytic baths in operating condition for plating phonograph record matrices. Respnsibilities include:

• Draws sample of solution from tanks, using pipette.
• Tests strength of solution, using hydrometer, and adds specified amounts of metallic salts, acid, or water to solution as needed.
• Examines anodes for specified size and for position in baths.
• Activates controls and reads meters to test electrical connections for open or short condition.