What can you do with paper clips and other tiny items that fall under your bed or get lost in a drawer? Send them flying with your own miniature launcher! With step-by-step instructions to create a tabletop version of this medieval machine using simple materials found around the house, this book introduces basic engineering and physics concepts to readers.
1962
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![[William Wheeler Hubbell, authorized to apply for patents.]](https://covers.openlibrary.org/b/id/10200621-M.jpg#w=1280)
