US$ 21.90
5V DC fan motor with a blue plastic blade on a 3
sized for quantitative stress-strain determination on wire specimens
running on 220/240V mains for laboratory experiment work
Larger-spark 100mm induction coil from a 6-12V DC input with adjustable vibrator and base-mounted suppression capacitors
5-meter bench on leveling-screw feet
Extra Dense Flint Glass Prism, R=1.65 Prong_3 5V DC fan motor withHeavy flint glass prism at refractive index 1. 65, the leaded body delivering pronounced spectral separation for comparing dispersion against crown and flint baselines.
US$ 21.90
US$ 14.90
US$ 14.90
US$ 19.90
US$ 14.90
US$ 13.90
US$ 13.90
US$ 11.90