Description
iron filings
holding under at least 100 Newtons of separation force after hand-evacuation of the air between them
preventing blowouts while anchoring the unit against accidental classroom contact
sized to fit tight laboratory frames while carrying heavy loads
The waves generated such are demonstrated using linear rope/thread
Alnico Bar Magnet with Keepers, Model 0789B Material_Polypropylene iron filingsPair of Alnico bar magnets supplied with steel keepers in a cardboard box, the standard configuration for keeping the field intact between classroom magnetism sessions.
Exchange/Return Notes
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