Oersted's Apparatus, demonstrates the action of electric current on a magnet. A cobalt steel needle (75mm long) with agate bearing supported by pivot, mounted on a plastic base and surrounded by rectangular frame fitted with terminals, 0.6 lbs, 8.0x7.5x1.8in
PTFE* resin-coated stir bars with pivot ring. SpinPak* contains six bars total, two each of the following sizes: 25.4Lx7.9Dia.mm, 38.1Lx7.9Dia.mm and 50.8Lx7.9Dia.mm.
LED Digital Magnetic Stirrer, MODEL - MS-PA - plastic plate, Digital speed control within the range of 100-1500rpm, Max. Stirring quantity of H2O at 3L, USA plug, 100V-220V/50Hz/60Hz, Dimension: 150x260x80mm
Circuit Board 2, Mass: 0.44 kg, Optional power sources: up to 4 AA batteries, not included, DC power supply such as Extech Digital DC power supply, Power Amplifier, Maximum voltage: 10 V, Resettable fuse opens at 0.8 A, but 0.3 A or less is recommended