Description

Twelve-position rotary capacitance substitution box selecting one capacitor at a time

and herbivore feeding adaptations for teaching

sized so a class can watch gas bubbles rise off each electrode in real time during electrolysis demos

and color-mixing activities

conduction

Concave Glass Mirror, 50mm Diameter, 75mm Focal Length Mechanics_Kinematics Twelve-position rotary capacitance substitution boxSteeply curved concave glass mirror at 50mm aperture and 75mm focal length, the f 1. 5 ratio favoring intense convergence demos and short throw real image formation work.

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Concave Glass Mirror, 50mm Diameter, 75mm Focal Length Mechanics_Kinematics Twelve-position rotary capacitance substitution box

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