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curvy balance fun flexible and detachable beams
dimensions: 75" x 6" x 7"
Length: 20mm
DC continuously adjustable and AC step-by-step
Size: 33cm x 23cm x 40cm – Weight: 515 g
Metal Expansion Apparatus Aprons & Gowns curvy balance fun flexible andDemonstrate the expansion & contraction of metals with Bar and Gauge Apparatus. It comes with a metal bar and a U shaped metal gauge mounted on separate insulated handles. Ideal for classroom demonstrations in thermal expansion and cooling contraction of metals. Gauge features a horizontal slot of length slightly greater than that of the metal rod, a circular hole with diameter slightly greater than that of the rod and a notch with width slightly less
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