Tubetube

"The Tube", "The Boob Tube" - In American and Canadian slang, boob tube is a term used for a television set. The term usually carries a negative or humorous connotation, as it comes from the words boob (a foolish person) and tube (from the television's cathode ray tube)

[A Marconi 709 model television, 1938, 9-inch direct view (i.e. not reflected in a mirror), with a AM/SW radio]: Joyce himself could have watched television or listened to transatlantic shortwave radio whist sitting in a pub on set like this, perhaps thinking of Marconi's transatlantic radio transmissions and the future of television.