Local Heroes· Season 3 · Episode 7
N & W Birmingham
Adam Hart-Davis searches for unsung heroes of science on a trip to the Potteries, Staffordshire. Using a few pipes, a ribbon and an air pump, he demonstrates the early ideas for a voice synthesiser that were developed by Erasmus Darwin. Charles Darwin's grandfather.
Other subjects include John "Iron Mad" Wilkinson, who perfected the aim of the cannon.
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