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.
Overhead Math Resource Kit, include most popular overhead manipulative for teachers. Also included are fraction and decimal chart transparencies as well as 1 cm & 1in square graph transparencies
VWR*, EcoStir, Magnetic Stirrer, Brushless DC motor, Max. Speed range is 2000rpm, Low price and high quality, Ultra silence and vibration-free design, PET top provides excellent chemical resistance, Speed range: 300-2000prm, Voltage: 100-120/200-240V, 50/60Hz
12 PTFE* resin-coated, octagonal stir bars. Packaged in a plastic, compartmented Spinbox*. Two each of: 12.7x7.9mm, 15.9x7.9mm, 25.4x9.5mm, 38.1x9.5mm, 50.8x9.5mm and 63.5x9.5mm.
Ripple Tank, Overhead, Dimensions: 15.5inx12inx4in, 6V DC power source and an overhead projector are required, demonstrates the generation, propagation, reflection, interference and diffraction of waves
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