The Invention Hunters discover how machines work
"When the Invention Hunters, a group of globe-trotting invention collectors, visit a construction site in their flying museum, a boy helps them by explaining how simple machines like levers, pulleys, and cranks work"--
Main Author: | Briggs, Korwin (Author) |
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Format: | Books Print Book |
Language: | English |
Published: |
New York ; Boston :
Little, Brown and Company,
2019.
|
Edition: | First edition. |
Series: |
Invention Hunters ;
1. |
Subjects: |