Slinky - Helix Spring
Description / Slinky - Helix Spring
For demonstrating wave motion. Helical coil of flat section tempered steel wire.
Coil diameter 7.5cm, length closed 10cm, fully extended 3 metres.
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For demonstrating wave motion. Helical coil of flat section tempered steel wire.
Coil diameter 7.5cm, length closed 10cm, fully extended 3 metres.