US$ 16.99
5 inches on an 8 by 8 by 2
25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod
fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction
and aluminum at a shared 0
25-inch frame for draining
Alnico Bar Magnet Pair, 3" Base_Octagonal 5 inches on an 8Used to compare magnet strengths across the bar magnet series, this 3 inch Alnico pair fills the mid length slot between the 1. 5 inch compact and 6 inch long format units.
US$ 16.99
US$ 15.99
US$ 75.00
US$ 12.00
US$ 17.99
US$ 28.50
US$ 15.99
US$ 15.99