The best inventions of the month appraised by Geoffrey Boumphrey, the Club's technical adviser.
Specifications of new inventions should be sent to the organiser, Leslie Hardern. c/o [address removed]
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The best inventions of the month appraised by Geoffrey Boumphrey, the Club's technical adviser.
Specifications of new inventions should be sent to the organiser, Leslie Hardern. c/o [address removed]