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PHYSICS>>     Products     >> PHYSICS ............................................................   >> CHEMISTRY ............................................................   >> BIOLOGY ............................................................   >> BIOLOGY MODELS ............................................................   >> MICROSCOPES ............................................................   >> PLASTIC LABWARE ............................................................   >> GLASS LABWARE ............................................................   >> PORCELAIN WARE ............................................................     >> LABORATORY EQUIPMENTS ............................................................   >> LABORATORY HARDWARE ............................................................   >> EDUCATIONAL INSTRUMENT ............................................................   >>LABORATORY CHEMICALS QUALITY POLICY MANUFACTURING FACILITIES SOLIDS LABEL SPECIMEN HAZARD SYMBOLS QUALITY ASSURANCE SOLVENTS ............................................................       Cat. No. DSS/PH/149 DESCO LEVER KIT To illustrate principles of lever and moment. Five plywood beams 600x44x3mm with ruled graduations at every 38mm and a shallow groove across its centre for fulcrum point, with 4 wood fulcrums and forty 25mm square metal blanks.

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