Bryan Purcell

The Inquisitive Pioneer vol. III: The book of At-Home Basic-Materials Waves & Astronomy Science Activities solving with a Slide Rule

Bryan Purcell

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The Inquisitive Pioneer: The Book of At-Home Basic-Materials Science Activities Solving with a Slide Rule

Bryan Purcell

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The Inquisitive Pioneer vol. IV: The book of At-Home Basic-Materials Science Activities Solving with a Slide Rule

Bryan Purcell

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The Inquisitive Pioneer vol. II: The book of At-Home Basic-Materials Electricity & Magnetism Science Activities solving with a Slide Rule

Bryan Purcell

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