76709348
Oct 7, 2011
Nov 6, 2012
Electrical and Magnetic Testing Stations Having a Power Supply, Meters, Switches, Controls and Connectors, Circuit Panels for Mounting on the Testing Stations and Having Connectors to Establish Electrical Circuits, the Testing Stations and Circuit Panels Sold Together as a Unit with Courseware for Students and Instructions in the Field of Teaching Principles of Electricity and Magnetism
Electrical and Scientific Apparatus