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A book of experiments which prove basic scientific principles including gravity, the existence of air molecules, friction, and solar power.

Troll Associates
1987
9780816708666
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
90455046283472302115752184382EREL166ERMI02227507.8 CON507.815802161721736518457
298608264515792407115752184382PCE301PCC0001262507 CON50716377825731736800991
305181065060182411115752184382PMP358PMP0013070507.8 CON507.816377825731736800991
31824836614062157011575218438222283T 2223198507 CON50716407292551640729255
31824846614062157011575218438222283T 2223199507 CON50716407292551640729255
345401368311211594115752184382NE/NW342T 16579507.8 CON507.816407292551640729255