| 11 EUR | (13.75 EUR incl. vat) |
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Delivery - immediate
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Extra long - specially designed to show wave movements.
For example, you can demonstrate transversal waves as in light and water, compression/thinning as in a sound wave, reflection/echo, propagation rate and interference.
Material: Spring steel. Diameter: 70 mm.
Length: Suitably extended: approx. 5 m.
Not extended: approx. 15 cm (245 turns)
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