A selection of the inventions received by the Club are demonstrated by Geoffrey Boumphrey and John Gilbert.
"Inventors' Club" is organised by Leslie Hardern, to whom all correspondence should be addressed: c/o [address removed]
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A selection of the inventions received by the Club are demonstrated by Geoffrey Boumphrey and John Gilbert.
"Inventors' Club" is organised by Leslie Hardern, to whom all correspondence should be addressed: c/o [address removed]
