Title rated 4.4 out of 5 stars, based on 17 ratings(17 ratings)
Book, 1988
Current format, Book, 1988, , Available .
Book, 1988
Current format, Book, 1988, , Available . Offered in 0 more formats
Text and numerous detailed illustrations introduce and explain the scientific principles and workings of hundreds of machines including a lawn sprinkler, pneumatic drill, electric guitar, and a smoke detector.
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