Description
a 12V/21W lamp house
sized to fit the PH0380A bar-breaking apparatus for repeated thermal-contraction fracture demonstrations
Three-wheel stacked metal pulley for maximum mechanical advantage in compound pulley systems
running battery-free for repeatable classroom and stockroom use
Designed for strong divergence demos
Circular Perspex Block for Refraction Science at Home_Earth Science a 12V/21W lamp houseRound perspex refraction block, the curved face geometry letting beams enter along any radius for clean Snell's law angle work in ray box and refraction setups.
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
