EN
III. Read the passage and write down three questions to it.
In the 1920s, American engineer, Philo Taylor Farnsworth devised the
television camera, a device which converted the image captured into an
electrical signal.
The pick-up tube is the main element governing the technical quality of the
picture obtained by the camera. The first electric cameras using iconoscope
tubes were characterized by very large lenses, necessary to ensure enough
light reached the pick-up tube.
1) Who
2) When
3) What​

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