US$ 73.00
Pivoted needle-style electroscope that swings on its axis when a charge is applied
catching condensate in distillation and steam-handling setups
this holder keeps light shaping consistent across diffraction
and lead with densities from 2
Alnico U-Shape Magnet, 50 x 10 x 9mm Pack Size_Single Pivoted needle-style electroscope that swingsUsed to demonstrate field concentration across a small pole gap, this 50 x 10 x 9mm Alnico U shape carries an 18mm gap and ships with a keeper for storage between investigations.
US$ 73.00
US$ 104.00
US$ 39.99
US$ 91.00
US$ 139.00
US$ 99.00
US$ 113.00
US$ 82.00
US$ 100.00
US$ 97.00
US$ 77.00
US$ 39.99