The Nerve Centre For Coronation T.V. The scene in the temporary central main control room with monitor screens, which will record from the various points where television cameras are in operation, The centre screen in the top row (un-named) is for checking the Quality of picture being received by viewers. A temporary main central control for television has been set up in Broadcasting House to deal with the televising of the Coronation. May 28, 1953. (Photo by Fox Photos).