00653cam a22002171 4500 6994585 20260430073509.0 750131s1956 xx 000 0 eng (DLC) 56008964 56008964 (hbk.) (OCoLC)1158209 TK2861 .M3 621.317 MAS Mason, C. Russell. The art and science of protective relaying / C. Russell Mason. New York : Wiley, 1956. 410 p. : ill ; 24cm. General Electric series, written for the advancement of engineering practice Electric relays. 0 0 0 0 BB BB 2019-11-01 0 621.317 MAS 2707 2019-11-01 00:00:00 2019-11-01 BB 54863 54863