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Book, 1997
Current format, Book, 1997, , Available .
Book, 1997
Current format, Book, 1997, , Available . Offered in 0 more formats
Roy Mayer profiles some of Canada's most significant inventors and their varied inventions. We meet Tim Collings, inventor of the V-chip; Howard Dill, the Nova Scotia farmer who developed seeds that grow the world's biggest pumpkins; and many others.
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