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Discusses the application of various scientific principles in creating machinery for home and industry. Suggested experiments included.

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  • ● 74% match for you
  • ● children's books, science & technology

the long version

Discusses the application of various scientific principles in creating machinery for home and industry. Suggested experiments included.

M

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"Discusses the application of various scientific principles in creating machinery for home and industry. Suggested experiments included."

— Margaret

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