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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/121 DESCO MELDE'S APPARATUS Designed to show the effects of vibrations in a stretched cord and investigate the relationship between frequency, tension and density. Comprises a thin steel rod armature, mounted in a clamp formed by a pair of 4mm socket terminals, so that its free length may be adjusted as desired. The free end of the armature equipped with a small boss and clamping screw for attachment of the cord and also serves as the moving contact when the apparatus is operating as a changeover switch. The complete apparatus is carried upon a box type base 150 x 80mm.

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