00773 a2200157 4500 Nust 20230726114008.0 Nust 621.383,ARM Instruction in Army telegraphy and telephony Vol. 1 / Dublin H.M stationary office 1914 356p Elementary theory (Page-7), Batteries (Page-37), Galvanometers and simple telegraph circuits (Page-57), Relays and single current working (Page-72), Double current working (Page-81), Translation (Page-87), High speed wheatstone automatic system (Page-115), Telephone accessories (Page-203), Testing (Page-257), Method of delaying with messages, office routine and organization (Page-296). Telecommunication engineering ddc BKB 213867 213867 0 0 ddc 0 0 MCS MCS GEN 2016-12-12 621.383,ARM MCS7255 2016-12-08 2016-12-12 BK Almirah No.84, Shelf No.1