US$ 15.00
Open-frame demo motor with two opposing coils on a spinning axle and 4mm banana inputs
Students will investigate the suitability of gravimetric analysis for determining the amount of water hardness in the form of calcium carbonate found in various water samples
5-inch inner-diameter end tubes
larger-footprint versions of the 12mm series for field-line mapping and magnetic separation exercises
Green Slate Specimen Stem Diameter_8mm Open-frame demo motor with twoFine grained foliation planes cleave into flat sheets, a defining feature of slate formed from low grade metamorphism of shale under directional pressure.
US$ 15.00
US$ 59.99
US$ 221.94
US$ 15.95
US$ 60.00