US$ 14.95
giving students a continuously variable aperture for diffraction and spectroscopy work
5 inch plastic case
Demonstrates how current through a coil produces a controllable magnetic field
sized for whole-class visibility during gas-law and fluid-mechanics lessons
Used to detect microvolt-scale signals from thermocouples and bridge circuits
Thermometer Stand Lab Supplies_Filtering Supplies giving students a continuously variableSheet metal thermometer stand sized 165 by 120 by 125 mm with foam rubber cushion pads on the baseplate, supporting 18 mm thermometers upright and protected between laboratory uses.
US$ 14.95
US$ 170.00
US$ 799.50