Linear Expansion Apparatus, Micrometer Screw Form
A 500 mm long metal rod is supported in a plated brass tube with three tubules for steam inlet, outlet and thermometer. The tube is mounted on a stand with an adjusting screw at one end and a micrometer screw reading to 0.01 mm on the other, with terminals for connecting a bell or galvanometer to indicate contact. With copper, brass and iron test rods but without thermometer.
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Density Identification Set, Set of 15
The set consist of specimens of 15 different types of materials. Students measure the mass, length and volume to determine the density of each of the materials. Set contains a sturdy storage base with one sample each of Walnut, Pine, Maple, Polypropylene, Polyethylene, Polyamide, Acrylic, Polyurethane, Phenolic, Polyvinylchloride, Delrin, Aluminium, Brass and Copper. Samples are stamped with a letter code for easy identification. Instructions included.
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