Inventions
by Sarah Houghton , Elaine Lally
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First published: 2002
1 language
ISBN: 9780736895439
Description
Highlights inventions and inventors throughout history and discusses why people invent and the steps in the inventive process.
![[William Wheeler Hubbell, authorized to apply for patents.]](https://covers.openlibrary.org/b/id/10200621-M.jpg)
