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Ring and Ball with stand

Ring and Ball with stand

SKU PH0376

    Comprising a captive brass ball 22 mm dia. with ring adjustably mounted on a tripod base. An apparatus for demonstrating thermal expansion, comprising a captive brass ball 22 mm dia. with ring adjustably mounted on a tripod base.


    ⚠ WARNING
    Cancer and Reproductive Harm - www.p65warnings.ca.gov

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