US$ 54.00
the standard configuration for keeping the field intact between classroom magnetism sessions
registering induced or conducted charge through the Coulomb-driven deflection of a single suspended leaf
75-inch full-class units
this demonstration electroscope detects and visually quantifies the magnitude of static charges
and has an inner diameter of 3
Alnico Bar Magnet, 4 x 1.5" Science at Home_Chemical Science the standard configuration for keepingHeavy duty cardboard storage carries this 4 x 1. 5 inch Alnico bar pair with steel keepers, the largest of the chrome and Alnico bar series for full class field line demonstrations.
US$ 54.00
US$ 120.00
US$ 36.00
US$ 44.00
US$ 34.00
US$ 30.00
US$ 139.50
US$ 52.00