- Lincoln Park, Michigan, United States
- Jan 29th
Up for auction is a Vintage Field Indicator gauge by Magnaflux Corporation, Chicago, Ill., USA“ PN 2480 It is stamped “Made in U.S.A.” on the back of the case. It measures 2 1/4 inches in diameter, and is about 5/8ths of an inch thick. It detects magnetic field presence, and identifies whether it is positive or negative polarity.