US$ 49.99
sized to fit tight laboratory frames while carrying heavy loads
87-inch focal length
preventing blowouts while anchoring the unit against accidental classroom contact
The waves generated such are demonstrated using linear rope/thread
Alnico Bar Magnet with Keepers, Model 0789B Material_Polypropylene sized to fit tight laboratoryPair of Alnico bar magnets supplied with steel keepers in a cardboard box, the standard configuration for keeping the field intact between classroom magnetism sessions.
US$ 49.99
US$ 159.99
US$ 185.00
US$ 165.00
US$ 119.99
US$ 19.99
US$ 199.99