US$ 25.40
letting students explore induction
Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing
and buffers for velocity
autoclavable and thermal-shock resistant for daily lab use
Hand-painted 4-part human brain model separates into cortical hemispheres and brain-stem regions for lobed-anatomy teaching at introductory biology levels
Capacitance Substitution Box, Model 1138 Capacity_2000mL letting students explore inductionTwelve position rotary capacitance substitution box selecting one capacitor at a time, providing a quick swap in reference for general purpose AC circuit and timing experiment work.
US$ 25.40
US$ 42.00
US$ 44.00
US$ 44.00