Screws in action

An exploration of screws that defines what they are; discusses their parts, how they work, their history, and how they are used; and includes a related experiment.

PowerKids Press
2011
9781448813056
book

Holdings

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772538993172247117661186691ALEE89ALEE40246Technology Machines Gos100015754856551709567815
45567942663272270117661186691LRYE278LRYE000927E 621.8 GOS621.815774597521709567815
112075448072722300117661186691EILP163EILP16839621.8 GOS621.815802161721736518457