TY - GEN TI - Hand book of Line Communication U1 - 621.38 PY - 1947/// CY - London PB - Her Majesty;s Stationery KW - Communication N1 - An Introduction to Line Communication (Page-1) Mathematics (Page-20) Direct Currents (Page-118) Alternating Currents Ac Circuits (Page-187) Metal Rectifier and Power Supplies (Page-275) Thermionic Valves (page-323) Valve Amplifiers (Page-376) Feedback (Page-421) Oscillators (page-463) Modulation (Page-493) The Cathode Ray Oscilloscope (Page-532) Four-Terminal Networks (Page-561) Attenuation and Attenuators (Page-605) Filters (page-635) Line Transmission (Page-703) Mathematical Treatment Line Transmission (Page-749) ER -