LYSHECSK ELECTROMECHANICAL SYSTEM AND DEVICES - ACME LEA ISBN: BKS348368 Subjects--Topical Terms: CONTROL DEVICES / PRODUCTIVE DEVICES / POWER ELECTRONICS / SWITCHING EQUIPMENT [Circuit breakers, Fuses, Grounding devices, Lighting arresters, Meters, Relays, Rheostats] Dewey Class. No.: 621.317 LYS