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tens and units
Available in 6 colours
and complete the picture with fully customizable reverb and delay effects
hand painted designs (supplied at random)
Hookes Law Apparatus (Each) A325918 tens and unitsComplete apparatus has a 15cm adjustable scale, marked in mm, to help prevent parallax error Scale is mounted on sturdy 30cm support rod Apparatus is situated on a sturdy wooden base Includes hanger Only, weights must be purchased separately. Ideal for demonstrating Hooke's Law which states the force needed to extend or compress a spring by some distance is proportional to that distance The Hooke's Law Apparatus is used to demonstrate that the
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