What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
actual aerial amplifier anode anode current aperture apparatus arc lamp Baird Company brightness broadcast C.R. Tube camera carrier carrier wave cathode cathode-ray tube cinema circuit coils colour condenser Crystal Palace deflection deflector plates demonstration developed device disc dissector tube effect electrical electron beam electron image electrostatic elements equipment feeder focus focused frame synchronizing grid high-definition television holes illumination image dissector infra red rays intermediate film light and shade line and frame London low-definition Mains Hum method metres mirror drum mosaic neon lamp normal operation optical oscillator output pass Pentode photo-electric cells picture frequency picture signal position potential produced programme radiated revolving Savoy Hill scanner scanning field scene secondary electrons secondary emission seen shown in Fig spot of light stage studio surface synchronizing pulses television pictures television receiver television signal thermionic valve time-base trans transmitted ultra-short ultra-short-wave valve velocity vision signals voltage volts wavelength waves wireless