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All-Inclusive Buzzer in Vacuum Jar Kit Lab Supplies_Classroom DC to 3 phase AC

All-Inclusive Buzzer in Vacuum Jar Kit Lab Supplies_Classroom DC to 3 phase ACBuilt in battery and flip switch buzzer inside a thick acrylic vacuum jar with O ring seals and removable bottom, demonstrating how sound transmission weakens as the air is evacuated.

SKU: 74413459346 · From southroadsurgery.com.au

4.6
USD58.99 USD91.99

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Description

DC to 3 phase AC variable frequency inverter

Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs

Used to crank a row of 16 cam-driven rods through a moving sine wave

each rated to hold over 50 lbs

3V 2A AC filament line for cathode-ray experiments

All-Inclusive Buzzer in Vacuum Jar Kit Lab Supplies_Classroom DC to 3 phase ACBuilt in battery and flip switch buzzer inside a thick acrylic vacuum jar with O ring seals and removable bottom, demonstrating how sound transmission weakens as the air is evacuated.

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