Description

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

5-inch compact and 6-inch long-format units

and polished — letting an infrared sensor compare emissivity at boiling-water temperature

and HVAC work

Inertia Demonstration Kit Material_Bristle Twelve-position rotary capacitance substitution boxDemonstrates Newton's first law by yanking a metal card from beneath a steel ball, leaving inertia to drop the ball straight into the waiting receptacle below.

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Inertia Demonstration Kit Material_Bristle Twelve-position rotary capacitance substitution box

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