Models: Toilet tube crystal set.
Machines: Lovely little (1 metre long) RC car made by Rex for kids show.
Guests: A Hertz induction coil and loop reciever. Early Marconi radios. Antique BBC transmitter (c.1920) and it's modern equivalent. Various antique sets and accessories.
Films: The cartoon life of young Marconi and an old Armstrong. An ad for 1950 plastic RCA portables.
Extro: Motorized novelty radios.
Notes: Love the ladder schtick at the beginning.
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Ready to Watch The Secret Life of Machines, Season 2, Episode 5?