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
VWR* Magnetic Induction Stirrer, Color: Gray/Blue, Uses modern magnetic coil technology that has no moving parts resulting in a motor-less wear-free drive, maintenance free unit, Rare-earth magnets ensure a strong magnetic coupling with consistent alignment
Advanced Ripple Tank with Projection Mirror, 21.1lbs, 24.4x15.4x9.4in, Includes: (1) Vibration Generator, (1) Wave monitor unit, (1) Projection screen, (1) Wave dippers, (1) Lever arm and support, (1) Ripple tank, (1) Projection mirror, (1) Set of footers with adjustment screws
Hotplate stirrer, Guardian 5000, e-G51HS07C model, Material: Ceramic, Voltage: 120V, Stirring from 60 to 1600rpm, Temp range of ambient +5 deg C to 500 deg C (ceramic top) or 380 deg C (aluminum top), power cord (included), include a 1.5in (3.8cm) PTFE coated stir bar, Size: 7x7in
Hotplate stirrer, Guardian 5000, e-G51HSRDM model, Material: aluminium, round, Voltage: 120 V, Stirring from 60 to 1600 rpm, Temp range of ambient +5 deg C to 500 deg C (ceramic top) or 380 deg C (aluminum top), power cord (included), include a 1.5in (3.8 cm) PTFE coated stir bar