1920 to 30 Antique Leeds and Northrup Potentiometer For Electrical Science For Sale
1920 to 30 Antique Leeds and Northrup Potentiometer For Electrical Science:
This is an absolutely beautiful 19-20's-30's Leeds and Northrup Potentiometer. These were used to study physics and science of electricity in labs. Wonderful condition- nice and shiny! Serial# 737587. This is large, 18 inches long by 10 inches wide, by 10 inches high. Labels, knobs wood outstanding. All knobs turn well. This will make a great display in classroom, lab, office, and home. It's fairly heavy.
Potentiometer type K2. Bakelite case with wooden base.
Measuring instrument used with a galvanometer to determine emf. Draws no current from the source when balanced. Calibrated with a standard cell.