36 ❧ Studio 7B: one of the Production Group of Studios.
37 ❧ A Music Control Cubicle, showing the control desk and loudspeaker. Here a musician with the music score in front of him carries out the necessary controlling of the music, checking the quality by means of the loudspeaker shown at the right of the picture.
38 ❧ The Office Telephone Exchange.
39 ❧ The Line-testing Room, where the many telephone lines used for broadcasting are tested for their 'frequency response' (electrical performance).
