Description
a 12V/21W lamp house
Six replacement gold leaves cut to fit the standard gold-leaf electroscope
Two pith balls suspended on unspun silk from a brass pillar
and classroom precision measurement
Greatly magnified HIV virion model separates into two parts exposing the outer envelope and interior capsid with RNA
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
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