A professional who controls regauging equipment from panelboard to reduce proof of newly distilled liquor in cistern tank before barreling. Respnsibilities include:

• Reads charts to ascertain proof of liquor to be regauged, number of gallons to be regauged, and number of gallons of deionized water required to produce liquor of specified proof.
• Pumps specified number of gallons of liquor and deionized water into cistern tank.
• Opens valves to admit compressed air and agitate mixture.
• Reads thermometer and alcohol-proof hydrometer during process and compares readings with standard gauging manual to determine final proof of liquor.
• Pumps liquor into filling tanks for barreling or into railroad tank cars for shipment.