Description

46mm copper wire on a 9mm soft-iron U-form core

Ten-inch high-speed low-friction pulley on a 12mm aluminum rod

this low-current 2mA buzzer on a demonstration base sounds whenever current flows through the closed circuit

the largest value in the demonstrator line for slow RC charging and high-energy capacitor-discharge work

Bar Breaking Thermal Expansion and Contraction Apparatus Light & Optics_Color 46mm copper wire on aTensioned steel rod in a heavy iron frame breaks a brittle iron cross rod as cooling contraction pulls it taut, visualizing the forces at play during thermal contraction.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Bar Breaking Thermal Expansion and Contraction Apparatus Light & Optics_Color 46mm copper wire on a

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