Title: Direct current fundamentals
First published: January 1, 1959
Subjects: Direct Electric currents, Electric currents, Direct, Electric engineering, Electricity, Electronics engineering, Power networks, systems, stations & plants, Engineering - Electrical & Electronic, Electric Wiring & Currents, Technology, Technology & Industrial Arts, Science/Mathematics, Counseling - Vocational Guidance, Technology / Technical & Manufacturing Industries & Trades, Electrical engineering