98. Electrical Engineering,, 1931-1981

Summary: Documents CR's testing and research of products relating to the transmission, control and safety of electrical currents. Includes correspondence, pamphlets, notes, magazine and newspaper articles, purchase forms and packaging. Subjects include power generators, atomic energy, house power plants, mobil generating equipment, electric motors, transformers, converters, rectifiers, transistors, micro-circuits, insulated wiring, extension cord project, conductors, insulators, junction and splicing of electric cable, switches, switchboards, circuit breakers, plugs, time switches, starters, voltage regulators, resistors, rheostats, metallic resisters, thermistors, protective devices, fuses, lightning conductors, grounding, and earthing.