US$ 122.50
and lead with densities from 2
Regulated dual AC/DC power supply displaying voltage and current on independent digital readouts
where colored liquid in a U-shaped section shifts measurably as air blown through a constricted glass tube creates pressure differences
Designed to electrolyze water into separately collected hydrogen and oxygen
Alnico U-Shape Magnet, 50 x 10 x 9mm Pack Size_Single and lead with densities fromUsed 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$ 122.50
US$ 345.00
US$ 261.00
US$ 34.95
US$ 69.95