(...) Mk III Camera Chain made by Pye in England, c. 1955. Image orthicon camera type 2028, used by Associated TeleVision (ATV). Moulded cream plastic letters 'ATV' attached to side of camera.
The Pye Mk III Camera was the first Pye camera to be designed to use the 3-inch Image Orthicon camera pickup tube. Designed in 1951, the first production models became available in 1952 and by the following year increasing numbers were being sold to broadcasters around the world.