CONTENTS 2
Introduction 2
What is Television？ 4
Principles of the Television Camera 6
Turning the Picture into Electricity 8
The Electron Gun 10
What is Sound？ 12
More about Sound Waves 14
How a Microphone Works 16
Electro-Magnetic Waves 18
The Electro-Magnetic Carrier Wave 20
Transmitting the Programme 22
Receiving the Sound 24
Receiving the Picture 26
How the Cathode-Ray Tube Works 28
A Picture that is not really there 30
Wavelengths and Frequencies 32
Television Networks and Transmitting Aerials 34
The Television Studio 36
Controlling the Show 38
Outside Broadcasts 40
Mobile Transmissions 42
Televising Films and Tape Recordings 44
Some Special Effects 46
The Introduction of Colour Television 48
Vocabulary 50