Description
Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur
Used to step a class through wave superposition and beat frequencies
combining protective gripping with angular adjustment on one piece
and mammalian organ systems for comparative vertebrate teaching
Battery Box, Model C Capacity_50mL Hard vulcanized ebonite rod thatUsed to enclose dry cells safely for student built circuits, this battery box adds insulated terminals and prevents short circuits from rolling cells touching exposed lab metalwork.
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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