Description
For demonstrating wave motion. Helical coil of flat section
tempered steel wire. Coil diameter 7.5 cm length closed 10
cm fully extended 3 meters.
SP4-1866A Wave Form Helix ,Slinky
SP4-1866B diameter 7.5 cm length closed 5 cm
For demonstrating wave motion. Helical coil of flat section
tempered steel wire. Coil diameter 7.5 cm length closed 10
cm fully extended 3 meters.
SP4-1866A Wave Form Helix ,Slinky
SP4-1866B diameter 7.5 cm length closed 5 cm
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