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150.21
Ball & Ring Apparatus

Ball & Ring Apparatus

Item: 811-749
Ball & Ring Apparatus used to illustrate expansion in Natural Science Senior Phase.
Consists of a brass ball secured to mounted brass ring by a chain. Ring is mounted on a rod with a wooden handle.
Measurements:
Sphere: 22mm diameter
Ring: 32mm diameter
Lenth: 210mm
R 150.21 (incl. VAT)
was:R 152.50 (incl. VAT)
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