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Wedges in Action

Simple Machines at Work (Series)

Gillian Gosman Author
(2010)

Pulleys in Action

Simple Machines at Work (Series)

Gillian Gosman Author
(2010)

Screws in Action

Simple Machines at Work (Series)

Gillian Gosman Author
(2010)

Inclined Planes in Action

Simple Machines at Work (Series)

Gillian Gosman Author
(2010)

Wheels and Axles in Action

Simple Machines at Work (Series)

Gillian Gosman Author
(2010)

Levers in Action

Simple Machines at Work (Series)

Gillian Gosman Author
(2010)