In October 1937 the BBC experimented with a television receiver in one of the state rooms on "Britannic"s A deck. After she left London on 29 October, BBC technicians tested the reception of "telephotograms" transmitted from the Alexandra Palace television station in London as "Britannic" voyaged away from the capital and down the English Channel. The experiment continued for 24 hours, until "Britannic" was south of Hastings. The receiver's screen was . "Britannic"s Master, Captain AT Brown, watched the experiment and said that both the picture and the sound were clear.