The best inventions of the month are demonstrated by Geoffrey Boumphrey, the Club's technical adviser.
Specifications of new inventions should be sent to the organiser, Leslie Hardern, c/o [address removed]
Discover 11,128,835 listings and 280,716 playable programmes from the BBC
The best inventions of the month are demonstrated by Geoffrey Boumphrey, the Club's technical adviser.
Specifications of new inventions should be sent to the organiser, Leslie Hardern, c/o [address removed]