LEVER KIT. |
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| LEVER KIT.
(1461 ) |
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Supplied as a kit for eight pupils and consists of four plywood beams 600x44x3mm graduated every 38mm and with a groove across its center to locate the fulcrum point. Also included are four fulcrums 32x32x64mm and 40 meter blanks 25mm square. The masses of the blanks are matched to plus or minus 1%
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