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Wire Helix Wave Demonstrator (Slinky) 6.5" X 3" Closed. 30' X 3" Extended

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Wire Helix Wave Demonstrator (Slinky) 6.5" X 3" Closed. 30' X 3" Extended

Wire Helix, better known as a "slinky." Flat sectioned steel wire in a helical coil. This helix measures 165mm closed length with a diameter of 75mm. (@ 6.5" X 3") Fully extended, the coil stretches more than 30 feet. Useful for demonstrating basic concepts for both Longitudinal and Transverse waves.

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