Black Replacement Knob for Goggle Sanitizer Cabinet Science at Home_Life Science Two-amp low-voltage power pack delivering

Two-amp low-voltage power pack delivering 6 to 12V AC for optical benches and demonstration apparatus

Designed to measure Planck's constant through the photoelectric effect

Whether you're measuring how hot your fireplace or how warm someone's head is

relating photon frequency to the kinetic energy of emitted electrons for quantum physics investigations

Thirty-two-inch advanced pulley demonstration set with 8 singles

Black Replacement Knob for Goggle Sanitizer Cabinet Science at Home_Life Science Two-amp low-voltage power pack deliveringMolded black plastic replacement knob sized for the goggle sanitizer cabinet timer switch, restoring rotary control over UV sanitization cycles when the original cracks or breaks off.