00777    a2200169   4500003000500000005001700005040000900022082001400031100002400045245002800069260002600097300001300123505031500136942001400451999001900465952012300484Nust20230621084528.0  cNust  a384.5,ECC  aW.H. Eccles9113190  aWireless /cW.H. Eccles  aLondonbThortonc1933  a250pages  aWaves (Page-7), Early Spark Telegraphy (Page-42), Syntonic  Spark Telegraphy (Page-64), Continuous Waves (Page-97), Beam Transmission (Page-121), The Triode (Page-138), The Triode Revolution (Page-163) Some Modern Receiving Apparatus (Page-186), Progress of Recent Years (Page-214), The Atmosphere(Page-235).    2ddccBKB   c193932d193932  00102ddc4070aMCSbMCScGENd2016-12-12o384.5,ECCpMCS29792r2016-12-08w2016-12-12yBKzAlmirah No.81, Shelf No.5