Electrocution beckons courtesy of the Hints and Hobbies team, here to advise how to construct an efficient wireless set for just 1/10d.

There are many reasons to watch this surviving item from a typically eccentric edition of 1920s cinemagazine Hints and Hobbies - though learning how to construct a functioning wireless set isn't one of them. Instead, sit back and enjoy the outlandish instructions ("To tune in, adjust the cats-whisker on crystal"), exotic components ("Earth to phone, and aerial to crystal cup"), and marvel at the most unattractive radio ever made.

One item. Hints on Wireless.