Capacitance Substitution Box, Model 1138 Capacity_2000mL autoclavable and thermal-shock resistant for

autoclavable and thermal-shock resistant for daily lab use

Compact 14 by 12 by 11 cm autoclavable polypropylene basket organizes test tubes during experiments

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

Designed to measure Planck's constant through the photoelectric effect

Capacitance Substitution Box, Model 1138 Capacity_2000mL autoclavable and thermal-shock resistant forTwelve 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.