KidWind Blade Pitch Protractor, incredibly helpful for measuring the blade pitch angle on your KidWind turbine, Recommended for College, High School, and Middle School Science
Compound bar, Copper and Iron, Weight (lb): 5.8,Length (in): 15.7,Width (in): 12.6,Height (in): 3.1, Comprising a bar of copper and iron each 200 x 15 mm, riveted together, For demonstrating the differential expansion of two metals
Hareft s Apparatus, Mounted on a wooden stand with a scale, comprises a three-limbed glass tube with rubber tubing on the centre. For comparing the densities of liquids by measuring the height of two columns of liquid produced by applying suction, Dimensions 68 x 30 x 15 cm
Spectrum Discharge Tube, Mercury Gas to show spectral lines of pure substances. Tubes approximately 260mm long, central capillary portion approximately 3-1/2 to 4 (90-100mm) long with electrodes sealed at both ends and connected to lead wires protected by metal caps
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