Conductors, Set of three, Made of brass, interchangeable on pillars, fitted with insulators of ebonite on base. Spheres 5 cm diameter, Cylinder 12.5 x 5 cm diameter, Cone 10 x 5 cm
Current balance, classic method for demonstrating and measuring the small force experienced by a conductor carrying an electric current in a magnetic field, One half of the balance is placed inside a solenoid, other half has an adjustable counterweight