TY - GEN AU - Poyser, F. L. TI - Introduction to modern radio U1 - 621.384,POY PY - 1949/// CY - London PB - University Tutorial Press KW - Radio N1 - Fundamental Ideas-The Structure of Matter and the Nature of Electricity (Page-1), Constituent Parts of Radio Apparatus (Page-20), Sound and Radio-The Microphone, Telephone, Loudspeaker, and Gramophone Pick-up (Page-67), Receivers and Demodulation (Page-85), Amplification (Page-105), The Superheterodyne Receiver (Page-143), Power Supplies (Page-155), The Aerial-Earth System (Page-179), Transmitters (Page-186), Conclusion (Page-218), Color Code for Resistors (Page-227). ER -